<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019b3269-4121-7be4-a60a-b98904bbbc8b,g:be346acb-c487-41a7-ac0d-e3278b679da2-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:blz="http://www.blaize.com/20251231" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2024-01-31" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.blaize.com/20251231">
  <xs:import namespace="http://fasb.org/srt/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd"/>
  <xs:import namespace="http://fasb.org/us-gaap/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd"/>
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/country/2025" schemaLocation="https://xbrl.sec.gov/country/2025/country-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/cyd-af-sub/2025" schemaLocation="https://xbrl.sec.gov/cyd/2025/cyd-af-sub-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/ecd/2025" schemaLocation="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="blz-20251231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="blz-20251231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="blz-20251231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="blz-20251231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="CoverPage" roleURI="http://www.blaize.com/role/CoverPage">
        <link:definition>0000001 - Document - Cover Page</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AuditInformation" roleURI="http://www.blaize.com/role/AuditInformation">
        <link:definition>0000002 - Document - Audit Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedBalanceSheets" roleURI="http://www.blaize.com/role/ConsolidatedBalanceSheets">
        <link:definition>9952151 - Statement - Consolidated Balance Sheets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedBalanceSheetsParenthetical" roleURI="http://www.blaize.com/role/ConsolidatedBalanceSheetsParenthetical">
        <link:definition>9952152 - Statement - Consolidated Balance Sheets (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofOperations" roleURI="http://www.blaize.com/role/ConsolidatedStatementsofOperations">
        <link:definition>9952153 - Statement - Consolidated Statements of Operations</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofStockholdersEquityDeficit" roleURI="http://www.blaize.com/role/ConsolidatedStatementsofStockholdersEquityDeficit">
        <link:definition>9952154 - Statement - Consolidated Statements of Stockholders' Equity (Deficit)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofCashFlows" roleURI="http://www.blaize.com/role/ConsolidatedStatementsofCashFlows">
        <link:definition>9952155 - Statement - Consolidated Statements of Cash Flows</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OrganizationandDescriptionofBusiness" roleURI="http://www.blaize.com/role/OrganizationandDescriptionofBusiness">
        <link:definition>9952156 - Disclosure - Organization and Description of Business</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LiquidityandGoingConcern" roleURI="http://www.blaize.com/role/LiquidityandGoingConcern">
        <link:definition>9952157 - Disclosure - Liquidity and Going Concern</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPolicies" roleURI="http://www.blaize.com/role/SummaryofSignificantAccountingPolicies">
        <link:definition>9952158 - Disclosure - Summary of Significant Accounting Policies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueandAccountsReceivable" roleURI="http://www.blaize.com/role/RevenueandAccountsReceivable">
        <link:definition>9952159 - Disclosure - Revenue and Accounts Receivable</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementsandDerivativeInstruments" roleURI="http://www.blaize.com/role/FairValueMeasurementsandDerivativeInstruments">
        <link:definition>9952160 - Disclosure - Fair Value Measurements and Derivative Instruments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialStatementDetails" roleURI="http://www.blaize.com/role/FinancialStatementDetails">
        <link:definition>9952161 - Disclosure - Financial Statement Details</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxes" roleURI="http://www.blaize.com/role/IncomeTaxes">
        <link:definition>9952162 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesandGeographicLocationofROUAssets" roleURI="http://www.blaize.com/role/LeasesandGeographicLocationofROUAssets">
        <link:definition>9952163 - Disclosure - Leases and Geographic Location of ROU Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyandEquipmentDetailsandGeographicLocation" roleURI="http://www.blaize.com/role/PropertyandEquipmentDetailsandGeographicLocation">
        <link:definition>9952164 - Disclosure - Property and Equipment Details and Geographic Location</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialInstrumentsExistingPriortotheMerger" roleURI="http://www.blaize.com/role/FinancialInstrumentsExistingPriortotheMerger">
        <link:definition>9952165 - Disclosure - Financial Instruments Existing Prior to the Merger</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommonStockCurrentlyOutstandingWarrantstoPurchaseCommonStockandEarnoutShares" roleURI="http://www.blaize.com/role/CommonStockCurrentlyOutstandingWarrantstoPurchaseCommonStockandEarnoutShares">
        <link:definition>9952166 - Disclosure - Common Stock, Currently Outstanding Warrants to Purchase Common Stock, and Earnout Shares</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensation" roleURI="http://www.blaize.com/role/StockBasedCompensation">
        <link:definition>9952167 - Disclosure - Stock Based Compensation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetLossperShareofCommonStock" roleURI="http://www.blaize.com/role/NetLossperShareofCommonStock">
        <link:definition>9952168 - Disclosure - Net Loss per Share of Common Stock</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentReporting" roleURI="http://www.blaize.com/role/SegmentReporting">
        <link:definition>9952169 - Disclosure - Segment Reporting</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartyTransactionsandBalances" roleURI="http://www.blaize.com/role/RelatedPartyTransactionsandBalances">
        <link:definition>9952170 - Disclosure - Related Party Transactions and Balances</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentandContingencies" roleURI="http://www.blaize.com/role/CommitmentandContingencies">
        <link:definition>9952171 - Disclosure - Commitment and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEvents" roleURI="http://www.blaize.com/role/SubsequentEvents">
        <link:definition>9952172 - Disclosure - Subsequent Events</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesPolicies" roleURI="http://www.blaize.com/role/SummaryofSignificantAccountingPoliciesPolicies">
        <link:definition>9955511 - Disclosure - Summary of Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OrganizationandDescriptionofBusinessTables" roleURI="http://www.blaize.com/role/OrganizationandDescriptionofBusinessTables">
        <link:definition>9955512 - Disclosure - Organization and Description of Business (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueandAccountsReceivableTables" roleURI="http://www.blaize.com/role/RevenueandAccountsReceivableTables">
        <link:definition>9955513 - Disclosure - Revenue and Accounts Receivable (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementsandDerivativeInstrumentsTables" roleURI="http://www.blaize.com/role/FairValueMeasurementsandDerivativeInstrumentsTables">
        <link:definition>9955514 - Disclosure - Fair Value Measurements and Derivative Instruments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialStatementDetailsTables" roleURI="http://www.blaize.com/role/FinancialStatementDetailsTables">
        <link:definition>9955515 - Disclosure - Financial Statement Details (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesTables" roleURI="http://www.blaize.com/role/IncomeTaxesTables">
        <link:definition>9955516 - Disclosure - Income Taxes (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesandGeographicLocationofROUAssetsTables" roleURI="http://www.blaize.com/role/LeasesandGeographicLocationofROUAssetsTables">
        <link:definition>9955517 - Disclosure - Leases and Geographic Location of ROU Assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyandEquipmentDetailsandGeographicLocationTables" roleURI="http://www.blaize.com/role/PropertyandEquipmentDetailsandGeographicLocationTables">
        <link:definition>9955518 - Disclosure - Property and Equipment Details and Geographic Location (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommonStockCurrentlyOutstandingWarrantstoPurchaseCommonStockandEarnoutSharesTables" roleURI="http://www.blaize.com/role/CommonStockCurrentlyOutstandingWarrantstoPurchaseCommonStockandEarnoutSharesTables">
        <link:definition>9955519 - Disclosure - Common Stock, Currently Outstanding Warrants to Purchase Common Stock, and Earnout Shares (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationTables" roleURI="http://www.blaize.com/role/StockBasedCompensationTables">
        <link:definition>9955520 - Disclosure - Stock Based Compensation (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetLossperShareofCommonStockTables" roleURI="http://www.blaize.com/role/NetLossperShareofCommonStockTables">
        <link:definition>9955521 - Disclosure - Net Loss per Share of Common Stock (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentReportingTables" roleURI="http://www.blaize.com/role/SegmentReportingTables">
        <link:definition>9955522 - Disclosure - Segment Reporting (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartyDisclosuresTables" roleURI="http://www.blaize.com/role/RelatedPartyDisclosuresTables">
        <link:definition>9955523 - Disclosure - Related Party Disclosures (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OrganizationandDescriptionofBusinessNarrativeDetails" roleURI="http://www.blaize.com/role/OrganizationandDescriptionofBusinessNarrativeDetails">
        <link:definition>9955524 - Disclosure - Organization and Description of Business - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OrganizationandDescriptionofBusinessCashProceedsandNetLiabilitiesfromMergerDetails" roleURI="http://www.blaize.com/role/OrganizationandDescriptionofBusinessCashProceedsandNetLiabilitiesfromMergerDetails">
        <link:definition>9955525 - Disclosure - Organization and Description of Business - Cash Proceeds and Net Liabilities from Merger (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LiquidityandGoingConcernDetails" roleURI="http://www.blaize.com/role/LiquidityandGoingConcernDetails">
        <link:definition>9955526 - Disclosure - Liquidity and Going Concern (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesDetails" roleURI="http://www.blaize.com/role/SummaryofSignificantAccountingPoliciesDetails">
        <link:definition>9955527 - Disclosure - Summary of Significant Accounting Policies (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueandAccountsReceivableRevenuebyGeographicLocationDetails" roleURI="http://www.blaize.com/role/RevenueandAccountsReceivableRevenuebyGeographicLocationDetails">
        <link:definition>9955528 - Disclosure - Revenue and Accounts Receivable - Revenue by Geographic Location (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueandAccountsReceivableRevenuebyMethodofRecognitionDetails" roleURI="http://www.blaize.com/role/RevenueandAccountsReceivableRevenuebyMethodofRecognitionDetails">
        <link:definition>9955529 - Disclosure - Revenue and Accounts Receivable - Revenue by Method of Recognition (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueandAccountsReceivableRevenuebyMajorCustomerDetails" roleURI="http://www.blaize.com/role/RevenueandAccountsReceivableRevenuebyMajorCustomerDetails">
        <link:definition>9955530 - Disclosure - Revenue and Accounts Receivable - Revenue by Major Customer (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueandAccountsReceivableNarrativeDetails" roleURI="http://www.blaize.com/role/RevenueandAccountsReceivableNarrativeDetails">
        <link:definition>9955531 - Disclosure - Revenue and Accounts Receivable - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueandAccountsReceivableProvisionforCreditLossActivityDetails" roleURI="http://www.blaize.com/role/RevenueandAccountsReceivableProvisionforCreditLossActivityDetails">
        <link:definition>9955532 - Disclosure - Revenue and Accounts Receivable - Provision for Credit Loss Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueandAccountsReceivableAccountsReceivablebyMajorCustomerDetails" roleURI="http://www.blaize.com/role/RevenueandAccountsReceivableAccountsReceivablebyMajorCustomerDetails">
        <link:definition>9955533 - Disclosure - Revenue and Accounts Receivable - Accounts Receivable by Major Customer (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementsandDerivativeInstrumentsFinancialAssetsandLiabilitiesatFairValueDetails" roleURI="http://www.blaize.com/role/FairValueMeasurementsandDerivativeInstrumentsFinancialAssetsandLiabilitiesatFairValueDetails">
        <link:definition>9955534 - Disclosure - Fair Value Measurements and Derivative Instruments - Financial Assets and Liabilities at Fair Value (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementsandDerivativeInstrumentsLevel3LiabilitiesMeasuredatFairValueonaRecurringBasisDetails" roleURI="http://www.blaize.com/role/FairValueMeasurementsandDerivativeInstrumentsLevel3LiabilitiesMeasuredatFairValueonaRecurringBasisDetails">
        <link:definition>9955535 - Disclosure - Fair Value Measurements and Derivative Instruments - Level 3 Liabilities Measured at Fair Value on a Recurring Basis (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementsandDerivativeInstrumentsValuationAssumptionsDetails" roleURI="http://www.blaize.com/role/FairValueMeasurementsandDerivativeInstrumentsValuationAssumptionsDetails">
        <link:definition>9955536 - Disclosure - Fair Value Measurements and Derivative Instruments - Valuation Assumptions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialStatementDetailsInventoriesNetDetails" roleURI="http://www.blaize.com/role/FinancialStatementDetailsInventoriesNetDetails">
        <link:definition>9955537 - Disclosure - Financial Statement Details - Inventories, Net (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialStatementDetailsFinishedGoodsRollForwardDetails" roleURI="http://www.blaize.com/role/FinancialStatementDetailsFinishedGoodsRollForwardDetails">
        <link:definition>9955538 - Disclosure - Financial Statement Details - Finished Goods Roll Forward (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialStatementDetailsNarrativeDetails" roleURI="http://www.blaize.com/role/FinancialStatementDetailsNarrativeDetails">
        <link:definition>9955539 - Disclosure - Financial Statement Details - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialStatementDetailsPrepaidExpensesandOtherCurrentAssetsDetails" roleURI="http://www.blaize.com/role/FinancialStatementDetailsPrepaidExpensesandOtherCurrentAssetsDetails">
        <link:definition>9955540 - Disclosure - Financial Statement Details - Prepaid Expenses and Other Current Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialStatementDetailsAccruedExpensesandOtherCurrentLiabilitiesDetails" roleURI="http://www.blaize.com/role/FinancialStatementDetailsAccruedExpensesandOtherCurrentLiabilitiesDetails">
        <link:definition>9955541 - Disclosure - Financial Statement Details - Accrued Expenses and Other Current Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesDomesticForeignCurrentandDeferredComponentsDetails" roleURI="http://www.blaize.com/role/IncomeTaxesDomesticForeignCurrentandDeferredComponentsDetails">
        <link:definition>9955542 - Disclosure - Income Taxes - Domestic, Foreign, Current and Deferred Components (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesReconciliationtoTaxProvisionandFederalTaxRateDetails" roleURI="http://www.blaize.com/role/IncomeTaxesReconciliationtoTaxProvisionandFederalTaxRateDetails">
        <link:definition>9955543 - Disclosure - Income Taxes - Reconciliation to Tax Provision and Federal Tax Rate (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails" roleURI="http://www.blaize.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails">
        <link:definition>9955544 - Disclosure - Income Taxes - Deferred Tax Assets and Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesNarrativeDetails" roleURI="http://www.blaize.com/role/IncomeTaxesNarrativeDetails">
        <link:definition>9955545 - Disclosure - Income Taxes - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesReconciliationofUnrecognizedTaxBenefitsDetails" roleURI="http://www.blaize.com/role/IncomeTaxesReconciliationofUnrecognizedTaxBenefitsDetails">
        <link:definition>9955546 - Disclosure - Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesandGeographicLocationofROUAssetsNarrativeDetails" roleURI="http://www.blaize.com/role/LeasesandGeographicLocationofROUAssetsNarrativeDetails">
        <link:definition>9955547 - Disclosure - Leases and Geographic Location of ROU Assets - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesandGeographicLocationofROUAssetsComponentsofNetLeaseCostsDetails" roleURI="http://www.blaize.com/role/LeasesandGeographicLocationofROUAssetsComponentsofNetLeaseCostsDetails">
        <link:definition>9955548 - Disclosure - Leases and Geographic Location of ROU Assets - Components of Net Lease Costs (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesandGeographicLocationofROUAssetsFutureMinimumLeasePaymentsDetails" roleURI="http://www.blaize.com/role/LeasesandGeographicLocationofROUAssetsFutureMinimumLeasePaymentsDetails">
        <link:definition>9955549 - Disclosure - Leases and Geographic Location of ROU Assets - Future Minimum Lease Payments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesandGeographicLocationofROUAssetsFutureMinimumLeasePaymentsDetails_1" roleURI="http://www.blaize.com/role/LeasesandGeographicLocationofROUAssetsFutureMinimumLeasePaymentsDetails_1">
        <link:definition>9955549 - Disclosure - Leases and Geographic Location of ROU Assets - Future Minimum Lease Payments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesandGeographicLocationofROUAssetsGeographicLocationofROUAssetsDetails" roleURI="http://www.blaize.com/role/LeasesandGeographicLocationofROUAssetsGeographicLocationofROUAssetsDetails">
        <link:definition>9955550 - Disclosure - Leases and Geographic Location of ROU Assets - Geographic Location of ROU Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyandEquipmentDetailsandGeographicLocationPropertyPlantandEquipmentDetailsDetails" roleURI="http://www.blaize.com/role/PropertyandEquipmentDetailsandGeographicLocationPropertyPlantandEquipmentDetailsDetails">
        <link:definition>9955551 - Disclosure - Property and Equipment Details and Geographic Location - Property, Plant and Equipment Details (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyandEquipmentDetailsandGeographicLocationLongLivedAssetsbyGeographicLocationDetails" roleURI="http://www.blaize.com/role/PropertyandEquipmentDetailsandGeographicLocationLongLivedAssetsbyGeographicLocationDetails">
        <link:definition>9955552 - Disclosure - Property and Equipment Details and Geographic Location - Long-Lived Assets by Geographic Location (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialInstrumentsExistingPriortotheMergerDetails" roleURI="http://www.blaize.com/role/FinancialInstrumentsExistingPriortotheMergerDetails">
        <link:definition>9955553 - Disclosure - Financial Instruments Existing Prior to the Merger (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommonStockCurrentlyOutstandingWarrantstoPurchaseCommonStockandEarnoutSharesNarrativeDetails" roleURI="http://www.blaize.com/role/CommonStockCurrentlyOutstandingWarrantstoPurchaseCommonStockandEarnoutSharesNarrativeDetails">
        <link:definition>9955554 - Disclosure - Common Stock, Currently Outstanding Warrants to Purchase Common Stock, and Earnout Shares - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommonStockCurrentlyOutstandingWarrantstoPurchaseCommonStockandEarnoutSharesStockOutstandingImmediatelyFollowingMergerDetails" roleURI="http://www.blaize.com/role/CommonStockCurrentlyOutstandingWarrantstoPurchaseCommonStockandEarnoutSharesStockOutstandingImmediatelyFollowingMergerDetails">
        <link:definition>9955555 - Disclosure - Common Stock, Currently Outstanding Warrants to Purchase Common Stock, and Earnout Shares - Stock Outstanding Immediately Following Merger (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommonStockCurrentlyOutstandingWarrantstoPurchaseCommonStockandEarnoutSharesLegacyBlaizeSharesBeforeandAfterMergerDetails" roleURI="http://www.blaize.com/role/CommonStockCurrentlyOutstandingWarrantstoPurchaseCommonStockandEarnoutSharesLegacyBlaizeSharesBeforeandAfterMergerDetails">
        <link:definition>9955556 - Disclosure - Common Stock, Currently Outstanding Warrants to Purchase Common Stock, and Earnout Shares - Legacy Blaize Shares Before and After Merger (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommonStockCurrentlyOutstandingWarrantstoPurchaseCommonStockandEarnoutSharesChangeinSharesFromMergerThroughEndofYearDetails" roleURI="http://www.blaize.com/role/CommonStockCurrentlyOutstandingWarrantstoPurchaseCommonStockandEarnoutSharesChangeinSharesFromMergerThroughEndofYearDetails">
        <link:definition>9955557 - Disclosure - Common Stock, Currently Outstanding Warrants to Purchase Common Stock, and Earnout Shares - Change in Shares From Merger Through End of Year (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationStockBasedCompensationExpenseDetails" roleURI="http://www.blaize.com/role/StockBasedCompensationStockBasedCompensationExpenseDetails">
        <link:definition>9955558 - Disclosure - Stock Based Compensation - Stock-Based Compensation Expense (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationNarrativeDetails" roleURI="http://www.blaize.com/role/StockBasedCompensationNarrativeDetails">
        <link:definition>9955559 - Disclosure - Stock Based Compensation - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationStockOptionActivityDetails" roleURI="http://www.blaize.com/role/StockBasedCompensationStockOptionActivityDetails">
        <link:definition>9955560 - Disclosure - Stock Based Compensation - Stock Option Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationStockOptionValuationAssumptionsDetails" roleURI="http://www.blaize.com/role/StockBasedCompensationStockOptionValuationAssumptionsDetails">
        <link:definition>9955561 - Disclosure - Stock Based Compensation - Stock Option Valuation Assumptions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationRSUActivityDetails" roleURI="http://www.blaize.com/role/StockBasedCompensationRSUActivityDetails">
        <link:definition>9955562 - Disclosure - Stock Based Compensation - RSU Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetLossperShareofCommonStockBasicandDilutiveNetLossPerShareDetails" roleURI="http://www.blaize.com/role/NetLossperShareofCommonStockBasicandDilutiveNetLossPerShareDetails">
        <link:definition>9955563 - Disclosure - Net Loss per Share of Common Stock - Basic and Dilutive Net Loss Per Share (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetLossperShareofCommonStockAntidilutiveSecuritiesDetails" roleURI="http://www.blaize.com/role/NetLossperShareofCommonStockAntidilutiveSecuritiesDetails">
        <link:definition>9955564 - Disclosure - Net Loss per Share of Common Stock - Antidilutive Securities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentReportingNarrativeDetails" roleURI="http://www.blaize.com/role/SegmentReportingNarrativeDetails">
        <link:definition>9955565 - Disclosure - Segment Reporting - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentReportingSignificantExpenseCategoriesinCalculationofNetLossDetails" roleURI="http://www.blaize.com/role/SegmentReportingSignificantExpenseCategoriesinCalculationofNetLossDetails">
        <link:definition>9955566 - Disclosure - Segment Reporting - Significant Expense Categories in Calculation of Net Loss (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentReportingReconciliationofNetLosstoEBITDAandAdjustedEBITDADetails" roleURI="http://www.blaize.com/role/SegmentReportingReconciliationofNetLosstoEBITDAandAdjustedEBITDADetails">
        <link:definition>9955567 - Disclosure - Segment Reporting - Reconciliation of Net Loss to EBITDA and Adjusted EBITDA (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartyTransactionsandBalancesNarrativeDetails" roleURI="http://www.blaize.com/role/RelatedPartyTransactionsandBalancesNarrativeDetails">
        <link:definition>9955568 - Disclosure - Related Party Transactions and Balances - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartyTransactionsandBalancesTransactionswithOtherRelatedPartiesDetails" roleURI="http://www.blaize.com/role/RelatedPartyTransactionsandBalancesTransactionswithOtherRelatedPartiesDetails">
        <link:definition>9955569 - Disclosure - Related Party Transactions and Balances - Transactions with Other Related Parties (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentandContingenciesDetails" roleURI="http://www.blaize.com/role/CommitmentandContingenciesDetails">
        <link:definition>9955570 - Disclosure - Commitment and Contingencies (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="blz_AuditInformationAbstract" abstract="true" name="AuditInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="blz_WorkingCapitalLoanMember" abstract="true" name="WorkingCapitalLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_AdvancesFromRelatedPartyMember" abstract="true" name="AdvancesFromRelatedPartyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_AccountsPayableExcludingTradePayablesCurrent" abstract="false" name="AccountsPayableExcludingTradePayablesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_AccruedExpensesCurrent" abstract="false" name="AccruedExpensesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_ConvertibleDebtAndWarrantLiabilityCurrent" abstract="false" name="ConvertibleDebtAndWarrantLiabilityCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_WarrantLiabilityNoncurrent" abstract="false" name="WarrantLiabilityNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_HardwareRevenueMember" abstract="true" name="HardwareRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_SoftwareRevenueMember" abstract="true" name="SoftwareRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_StrategicConsultingServiceRevenueMember" abstract="true" name="StrategicConsultingServiceRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_ReverseRecapitalizationTransactionCosts" abstract="false" name="ReverseRecapitalizationTransactionCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_FairValueAdjustmentOfConvertibleDebtAndWarrants" abstract="false" name="FairValueAdjustmentOfConvertibleDebtAndWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_ChangeInFairValueOfCommittedEquityFacility" abstract="false" name="ChangeInFairValueOfCommittedEquityFacility" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_UnissuedSharesOfCommonStockChangeInFairValue" abstract="false" name="UnissuedSharesOfCommonStockChangeInFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_CommonStockIssuedToAdvisorsMember" abstract="true" name="CommonStockIssuedToAdvisorsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_CommittedEquityFacilityMember" abstract="true" name="CommittedEquityFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_PolarWarrantPrivatePlacementMember" abstract="true" name="PolarWarrantPrivatePlacementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_ConversionOfLegacyBlaizeConvertibleNotesMember" abstract="true" name="ConversionOfLegacyBlaizeConvertibleNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_ExerciseOfLegacyBlaizeWarrantsMember" abstract="true" name="ExerciseOfLegacyBlaizeWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_LapseOfRedemptionMember" abstract="true" name="LapseOfRedemptionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_CommonStockSubjectToPossibleRedemptionMember" abstract="true" name="CommonStockSubjectToPossibleRedemptionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_TemporaryEquityStockIssuedDuringPeriodSharesReverseRecapitalization" abstract="false" name="TemporaryEquityStockIssuedDuringPeriodSharesReverseRecapitalization" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="blz_TemporaryEquityStockIssuedDuringPeriodValueReverseRecapitalization" abstract="false" name="TemporaryEquityStockIssuedDuringPeriodValueReverseRecapitalization" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_TemporaryEquityRedemptionDuringThePeriodShares" abstract="false" name="TemporaryEquityRedemptionDuringThePeriodShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="blz_TemporaryEquityRedemptionDuringThePeriodValue" abstract="false" name="TemporaryEquityRedemptionDuringThePeriodValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_TemporaryEquityLapseOfRedemptionShares" abstract="false" name="TemporaryEquityLapseOfRedemptionShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="blz_TemporaryEquityLapseOfRedemptionValue" abstract="false" name="TemporaryEquityLapseOfRedemptionValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_StockIssuedDuringPeriodSharesReverseRecapitalization" abstract="false" name="StockIssuedDuringPeriodSharesReverseRecapitalization" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="blz_StockIssuedDuringPeriodValueReverseRecapitalization" abstract="false" name="StockIssuedDuringPeriodValueReverseRecapitalization" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_AdjustmentsToAdditionalPaidInCapitalPaymentOnShareholderNoteReceivable" abstract="false" name="AdjustmentsToAdditionalPaidInCapitalPaymentOnShareholderNoteReceivable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_AdjustmentsToAdditionalPaidInCapitalExciseTaxReversal" abstract="false" name="AdjustmentsToAdditionalPaidInCapitalExciseTaxReversal" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_ShareholderNoteReceivableMember" abstract="true" name="ShareholderNoteReceivableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_IssuedToAdvisorMember" abstract="true" name="IssuedToAdvisorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_NoncashFinancingExpenseIssuanceOfCommonStock" abstract="false" name="NoncashFinancingExpenseIssuanceOfCommonStock" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_NoncashFinancingExpenseIssuanceOfWarrants" abstract="false" name="NoncashFinancingExpenseIssuanceOfWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_FairValueAdjustmentOfConvertibleNotesAndWarrants" abstract="false" name="FairValueAdjustmentOfConvertibleNotesAndWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_ChangeInFairValueOfCommonStockUnissuedShares" abstract="false" name="ChangeInFairValueOfCommonStockUnissuedShares" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_IncreaseDecreaseInAccountsPayableExcludingTradingPayables" abstract="false" name="IncreaseDecreaseInAccountsPayableExcludingTradingPayables" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_ProceedsFromReverseRecapitalizationNet" abstract="false" name="ProceedsFromReverseRecapitalizationNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_ProceedsFromEscrow" abstract="false" name="ProceedsFromEscrow" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_NoncashFinancingActivitiesCommonStockRedemptionWithCashHeldInEscrow" abstract="false" name="NoncashFinancingActivitiesCommonStockRedemptionWithCashHeldInEscrow" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_NoncashFinancingActivitiesIssuanceOfWarrantsWithConvertibleNotes" abstract="false" name="NoncashFinancingActivitiesIssuanceOfWarrantsWithConvertibleNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_ReversalOfExciseTaxAccrual" abstract="false" name="ReversalOfExciseTaxAccrual" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_NoncashFinancingActivitiesIssuanceOfWarrantsForServices" abstract="false" name="NoncashFinancingActivitiesIssuanceOfWarrantsForServices" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_EmergingGrowthCompanyPolicyPolicyTextBlock" abstract="false" name="EmergingGrowthCompanyPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="blz_FinancialInstrumentClassificationPolicyPolicyTextBlock" abstract="false" name="FinancialInstrumentClassificationPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="blz_ScheduleOfReverseRecapitalizationTableTextBlock" abstract="false" name="ScheduleOfReverseRecapitalizationTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="blz_ScheduleOfAccountsReceivableByMajorCustomerTableTextBlock" abstract="false" name="ScheduleOfAccountsReceivableByMajorCustomerTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="blz_RecapitalizationExchangeRatio" abstract="false" name="RecapitalizationExchangeRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="blz_CashAcquiredThroughReverseRecapitalization" abstract="false" name="CashAcquiredThroughReverseRecapitalization" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_PaymentsOfReverseRecapitalizationTransactionCosts" abstract="false" name="PaymentsOfReverseRecapitalizationTransactionCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_ProceedsFromReverseRecapitalizationTransaction" abstract="false" name="ProceedsFromReverseRecapitalizationTransaction" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_DerivativeInstrumentContingentConsiderationLiabilityValue" abstract="false" name="DerivativeInstrumentContingentConsiderationLiabilityValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_ReverseRecapitalizationNet" abstract="false" name="ReverseRecapitalizationNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_GoingConcernTable" abstract="true" name="GoingConcernTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="blz_GoingConcernLineItems" abstract="true" name="GoingConcernLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="blz_AccountsReceivableAllowanceForCreditLossPercentageOfGrossAccountsReceivable" abstract="false" name="AccountsReceivableAllowanceForCreditLossPercentageOfGrossAccountsReceivable" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="blz_LesseeFinanceLeaseNumberOfLeaseContracts" abstract="false" name="LesseeFinanceLeaseNumberOfLeaseContracts" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="blz_OtherCountriesMember" abstract="true" name="OtherCountriesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_CustomerAMember" abstract="true" name="CustomerAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_CustomerBMember" abstract="true" name="CustomerBMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_CustomerCMember" abstract="true" name="CustomerCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_CustomerDMember" abstract="true" name="CustomerDMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_OtherCustomersMember" abstract="true" name="OtherCustomersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_RevenueFromContractWithCustomerSubjectToConstraintOrVariableConsideration" abstract="false" name="RevenueFromContractWithCustomerSubjectToConstraintOrVariableConsideration" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_PolarWarrantsMember" abstract="true" name="PolarWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_LegacyWarrantsMember" abstract="true" name="LegacyWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_LegacyBlaizeConvertibleNotesMember" abstract="true" name="LegacyBlaizeConvertibleNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_EarnoutSharesMember" abstract="true" name="EarnoutSharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_InventoryFinishedGoodsResaleRollForward" abstract="true" name="InventoryFinishedGoodsResaleRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="blz_InventoryFinishedGoodsResaleNetOfReserves" abstract="false" name="InventoryFinishedGoodsResaleNetOfReserves" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_InventoryPurchaseOfFinishedGoodsResaleNetOfReserves" abstract="false" name="InventoryPurchaseOfFinishedGoodsResaleNetOfReserves" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_InventorySalesOfFinishedGoodsResaleNetOfReserves" abstract="false" name="InventorySalesOfFinishedGoodsResaleNetOfReserves" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_PaymentsOfTradePayablesInventory" abstract="false" name="PaymentsOfTradePayablesInventory" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_PrepaidSoftwareLicensesAndMaintenanceCurrent" abstract="false" name="PrepaidSoftwareLicensesAndMaintenanceCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_PrepaidCompensationCurrent" abstract="false" name="PrepaidCompensationCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_AccruedExpensesCurrentAbstract" abstract="true" name="AccruedExpensesCurrentAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="blz_AccruedPurchaseCommitmentsCurrent" abstract="false" name="AccruedPurchaseCommitmentsCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_AccruedTechnologyFeesCurrent" abstract="false" name="AccruedTechnologyFeesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_OtherAccruedExpensesCurrent" abstract="false" name="OtherAccruedExpensesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_AccruedLossOnPurchaseCommitmentsCurrent" abstract="false" name="AccruedLossOnPurchaseCommitmentsCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_EffectiveIncomeTaxRateReconciliationGainOnRemeasurementOfWarrantLiabilityAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationGainOnRemeasurementOfWarrantLiabilityAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_EffectiveIncomeTaxRateReconciliationUncertainTaxPositionAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationUncertainTaxPositionAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_EffectiveIncomeTaxRateReconciliationDeferredTaxAdjustmentAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationDeferredTaxAdjustmentAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseReverseRecapitalizationTransactionCostsAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseReverseRecapitalizationTransactionCostsAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseChangeInFairValueOfConvertibleNotesAndWarrantsAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseChangeInFairValueOfConvertibleNotesAndWarrantsAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_EffectiveIncomeTaxRateReconciliationTaxExpenseBenefitChangeInFairValueAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationTaxExpenseBenefitChangeInFairValueAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_EffectiveIncomeTaxRateReconciliationGainOnRemeasurementOfWarrantLiabilityPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationGainOnRemeasurementOfWarrantLiabilityPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="blz_EffectiveIncomeTaxRateReconciliationUncertainTaxPositionPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationUncertainTaxPositionPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="blz_EffectiveIncomeTaxRateReconciliationDeferredTaxAdjustmentPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationDeferredTaxAdjustmentPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="blz_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseReverseRecapitalizationTransactionCostsPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseReverseRecapitalizationTransactionCostsPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="blz_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseChangeInFairValueOfConvertibleNotesAndWarrantsPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseChangeInFairValueOfConvertibleNotesAndWarrantsPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="blz_EffectiveIncomeTaxRateReconciliationTaxExpenseBenefitChangeInFairValuePercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationTaxExpenseBenefitChangeInFairValuePercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="blz_DeferredTaxAssetOperatingLeaseLiability" abstract="false" name="DeferredTaxAssetOperatingLeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_DeferredTaxAssetDepreciationNonproduction" abstract="false" name="DeferredTaxAssetDepreciationNonproduction" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_IncomeTaxRateReconciliationOBBAAmount" abstract="false" name="IncomeTaxRateReconciliationOBBAAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_FairValueAdjustmentOfConvertibleDebt" abstract="false" name="FairValueAdjustmentOfConvertibleDebt" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_ReverseRecapitalizationTable" abstract="true" name="ReverseRecapitalizationTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="blz_BZAIWarrantsMember" abstract="true" name="BZAIWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_AdvisorWarrantsMember" abstract="true" name="AdvisorWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_BurkhamMember" abstract="true" name="BurkhamMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_BlockASponsorEarnoutSharesMember" abstract="true" name="BlockASponsorEarnoutSharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_BlockBSponsorEarnoutSharesMember" abstract="true" name="BlockBSponsorEarnoutSharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_BlockCSponsorEarnoutSharesMember" abstract="true" name="BlockCSponsorEarnoutSharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_BlockDSponsorEarnoutSharesMember" abstract="true" name="BlockDSponsorEarnoutSharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_ReverseRecapitalizationLineItems" abstract="true" name="ReverseRecapitalizationLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="blz_CommittedEquityFacilitySharesAvailableForPurchaseValue" abstract="false" name="CommittedEquityFacilitySharesAvailableForPurchaseValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_SaleOfStockPurchasePeriod" abstract="false" name="SaleOfStockPurchasePeriod" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="blz_CommittedEquityFacilityNumberOfSharesIssuedInTransactionMaximum" abstract="false" name="CommittedEquityFacilityNumberOfSharesIssuedInTransactionMaximum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="blz_CommittedEquityFacilityPercentageOfTotalSharesIssuedInTransaction" abstract="false" name="CommittedEquityFacilityPercentageOfTotalSharesIssuedInTransaction" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="blz_SaleOfStockSharesIssuedPerTransaction" abstract="false" name="SaleOfStockSharesIssuedPerTransaction" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="blz_SaleOfStockSharesIssuedPerTransactionPercentageOfTotalShares" abstract="false" name="SaleOfStockSharesIssuedPerTransactionPercentageOfTotalShares" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="blz_SaleOfStockVolumeWeightedAveragePricePercent" abstract="false" name="SaleOfStockVolumeWeightedAveragePricePercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="blz_SaleOfStockVolumeWeightedAveragePriceCommissionPercent" abstract="false" name="SaleOfStockVolumeWeightedAveragePriceCommissionPercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="blz_ReverseRecapitalizationContingentConsiderationEquityShares" abstract="false" name="ReverseRecapitalizationContingentConsiderationEquityShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="blz_DerivativeInstrumentContingentConsiderationLiabilityShares" abstract="false" name="DerivativeInstrumentContingentConsiderationLiabilityShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="blz_DerivativeInstrumentContingentConsiderationLiabilityEarnoutPeriodStockPriceTrigger" abstract="false" name="DerivativeInstrumentContingentConsiderationLiabilityEarnoutPeriodStockPriceTrigger" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="blz_BurTechCorpMember" abstract="true" name="BurTechCorpMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_StockConvertedReverseRecapitalization" abstract="false" name="StockConvertedReverseRecapitalization" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="blz_ReverseRecapitalizationSponsorForfeitureShares" abstract="false" name="ReverseRecapitalizationSponsorForfeitureShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="blz_ReverseRecapitalizationSharesSubjectToRedemptionAndOutstandingPriorToMerger" abstract="false" name="ReverseRecapitalizationSharesSubjectToRedemptionAndOutstandingPriorToMerger" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="blz_ReverseRecapitalizationShareholderNoteReceivableShares" abstract="false" name="ReverseRecapitalizationShareholderNoteReceivableShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="blz_ReverseRecapitalizationNonRedemptionEscrowShares" abstract="false" name="ReverseRecapitalizationNonRedemptionEscrowShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="blz_ReverseRecapitalizationAxis" abstract="true" name="ReverseRecapitalizationAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="blz_ReverseRecapitalizationDomain" abstract="true" name="ReverseRecapitalizationDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_PreConversionMember" abstract="true" name="PreConversionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_PostConversionMember" abstract="true" name="PostConversionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_ReverseRecapitalizationRollForward" abstract="true" name="ReverseRecapitalizationRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="blz_ReverseRecapitalizationConversionOfCommonStockToConvertiblePreferredStock" abstract="false" name="ReverseRecapitalizationConversionOfCommonStockToConvertiblePreferredStock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="blz_ReverseRecapitalizationConversionOfCommonStockToConvertibleNotes" abstract="false" name="ReverseRecapitalizationConversionOfCommonStockToConvertibleNotes" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="blz_ReverseRecapitalizationConversionOfCommonStockToWarrants" abstract="false" name="ReverseRecapitalizationConversionOfCommonStockToWarrants" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="blz_A2025IncentivePlanMember" abstract="true" name="A2025IncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="blz_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriodWeightedAverageGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriodWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="blz_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="blz_WarrantsToPurchaseCommonStockMember" abstract="true" name="WarrantsToPurchaseCommonStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_FairValueChangesAndFinancingCharges" abstract="false" name="FairValueChangesAndFinancingCharges" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_NetIncomeLossBeforeInterestTaxesDepreciationAndAmortization" abstract="false" name="NetIncomeLossBeforeInterestTaxesDepreciationAndAmortization" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_InventoryCostAdjustmentsNonCash" abstract="false" name="InventoryCostAdjustmentsNonCash" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_OtherAdjustmentsNonCash" abstract="false" name="OtherAdjustmentsNonCash" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_NetIncomeLossBeforeInterestTaxesDepreciationAndAmortizationAdjusted" abstract="false" name="NetIncomeLossBeforeInterestTaxesDepreciationAndAmortizationAdjusted" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_TwoCustomersMember" abstract="true" name="TwoCustomersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_ReferralAgreementMember" abstract="true" name="ReferralAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_SupplyCommitmentPurchaseOrderCommitmentSalesReferralPercentage" abstract="false" name="SupplyCommitmentPurchaseOrderCommitmentSalesReferralPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="blz_ReverseRecapitalizationShareholderNotesReceivableSecuredByCollateralShares" abstract="false" name="ReverseRecapitalizationShareholderNotesReceivableSecuredByCollateralShares" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="blz_ReverseRecapitalizationShareholderNotesReceivable" abstract="false" name="ReverseRecapitalizationShareholderNotesReceivable" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_NonRedemptionAgreementPeriodOfShareNonRedemption" abstract="false" name="NonRedemptionAgreementPeriodOfShareNonRedemption" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="blz_NonRedemptionAgreementCompensationForNonRedemption" abstract="false" name="NonRedemptionAgreementCompensationForNonRedemption" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="blz_AdvisoryServicesMember" abstract="true" name="AdvisoryServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_MarketingServicesMember" abstract="true" name="MarketingServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_CashCompensationPaidToRelatedPartyEmployeeMember" abstract="true" name="CashCompensationPaidToRelatedPartyEmployeeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_RelativeOfNamedExecutiveOfficerMember" abstract="true" name="RelativeOfNamedExecutiveOfficerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_BusinessCombinationReimbursementCostExpense" abstract="false" name="BusinessCombinationReimbursementCostExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="blz_AnthonyCannestraMember" abstract="true" name="AnthonyCannestraMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_DinakarMunagalaMember" abstract="true" name="DinakarMunagalaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="blz_HarminderSehmiMember" abstract="true" name="HarminderSehmiMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
