Award Timing Predetermined Award Timing Predetermined [Flag] Related Party Transaction [Axis] Related Party Transaction [Axis] Entity File Number Entity File Number Additional Paid-in Capital Additional Paid-in Capital [Member] Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Tabular List, Table Tabular List [Table Text Block] Contract assets (unbilled receivables) Unbilled Contracts Receivable Recently Adopted Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Schedule of Related Party Transactions Schedule of Related Party Transactions [Table Text Block] Interest income, net Interest income, net Interest Income (Expense), Nonoperating Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Net loss per share - basic (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Related Party Transactions and Balances Related Party Transactions Disclosure [Text Block] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Liabilities: Liabilities, Fair Value Disclosure [Abstract] Revenue and Accounts Receivable Revenue from Contract with Customer [Text Block] Schedule of Segment Expenses and Reconciliation of Net Loss to EBITDA and Adjusted EBITDA Schedule of Segment Reporting Information, by Segment [Table Text Block] Working capital loan and advances from related party Short-term debt Short-Term Debt Releases of restricted stock units (in shares) Release of restricted stock units (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Fair Value Measurements and Derivative Instruments Derivatives and Fair Value [Text Block] Outstanding or unsatisfied performance obligation Revenue, Remaining Performance Obligation, Amount Measurement Input Type [Domain] Measurement Input Type [Domain] Adjustment to Compensation, Amount Adjustment to Compensation Amount Concentration (as a percent) Concentration Risk, Percentage Customer D Customer D [Member] Customer D Stock options Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Tax assets Prepaid Taxes Accounts and Financing Receivables [Table] Accounts and Financing Receivables [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Total stockholders’ equity Beginning balance Ending balance Equity, Attributable to Parent Insider Trading Policies and Procedures [Line Items] Stock-based compensation Share-Based Payment Arrangement, Expense Common stock, shares authorized (in shares) Common Stock, Shares Authorized Current assets: Assets, Current [Abstract] Total liabilities and stockholders’ equity Liabilities and Equity Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Liabilities and stockholders’ equity Liabilities and Equity [Abstract] Cover [Abstract] Legacy Blaize warrants Legacy Warrants [Member] Legacy Warrants Money market funds Cash and Cash Equivalents, Fair Value Disclosure Conversion of Stock, Name [Domain] Conversion of Stock, Name [Domain] Black-Scholes Valuation Technique, Black-Scholes-Merton Model [Member] Aggregate proceeds including over-allotment option Aggregate Proceeds Including Over-Allotment Option [Member] Aggregate Proceeds Including Over-Allotment Option Concentration Risk Type [Domain] Concentration Risk Type [Domain] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Over 90 days past due Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Issuance of common stock to advisors (in shares) Stock Issued During Period, Shares, Issued for Services Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Loss before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Other liabilities Other Liabilities, Noncurrent Transaction costs Reverse Recapitalization Transaction Costs Reverse Recapitalization Transaction Costs Other adjustments Other Adjustments, Non-Cash Other Adjustments, Non-Cash Statement of Stockholders' Equity [Abstract] Reverse Recapitalization [Table] Reverse Recapitalization [Table] Reverse Recapitalization [Table] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Sale Of Stock, Underwriting Option, Duration Sale Of Stock, Underwriting Option, Duration Sale Of Stock, Underwriting Option, Duration Measurement Input Type [Axis] Measurement Input Type [Axis] Schedule of Prepaid Expenses and Other Current Assets Schedule of Other Current Assets [Table Text Block] Name Measure Name Underwriting Agreement Underwriting Agreement [Member] Underwriting Agreement Operating lease liabilities - current Operating Lease, Liability, Current Schedule of Level 3 Liabilities Measured at Fair Value on a Recurring Basis Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Legacy Blaize Convertible Notes Legacy Blaize Convertible Notes [Member] Legacy Blaize Convertible Notes Merger and PIPE financing (in shares) Stock Issued During Period, Shares, Reverse Recapitalization Stock Issued During Period, Shares, Reverse Recapitalization Award Timing Method Award Timing Method [Text Block] Award Type [Axis] Award Type [Axis] Payments received from customer Proceeds from Customers Assets Assets Customer A Customer A [Member] Customer A Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Continuing Operation [Abstract] Payment on shareholder note receivable Adjustments To Additional Paid In Capital, Payment On Shareholder Note Receivable Adjustments To Additional Paid In Capital, Payment On Shareholder Note Receivable Trading Symbol Trading Symbol BZAI warrants BZAI Warrants [Member] BZAI Warrants Going Concern [Line Items] Going Concern [Line Items] Going Concern [Line Items] Geographical [Domain] Geographical [Domain] Vendor deposits Deposits Assets, Current Entity Address, City or Town Entity Address, City or Town Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Other Other Countries [Member] Other Countries Other items Segment Reporting, Other Segment Item, Amount Concentration Risk Type [Axis] Concentration Risk Type [Axis] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount RSUs Restricted Stock Units (RSUs) [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Assets: Assets, Fair Value Disclosure [Abstract] Entity Emerging Growth Company Entity Emerging Growth Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Warrant Warrant [Member] Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Restricted cash (included within other assets) Restricted Cash and Cash Equivalent Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Related party Related Party [Member] Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Accrued expenses: Accrued Expenses, Current [Abstract] Accrued Expenses, Current Additions to provision for credit losses Accounts Receivable, Credit Loss Expense (Reversal) Change in fair value of Polar warrants Fair Value Adjustment of Warrants Document Information [Table] Document Information [Table] PEO PEO [Member] Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Income tax payable Accrued Income Taxes, Current United States UNITED STATES Exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Stock price Measurement Input, Share Price [Member] Accrued technology fees Accrued Technology Fees, Current Accrued Technology Fees, Current Accumulated deficit Retained Earnings [Member] Prepaid expenses and other current assets Total prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Schedule of Accrued Expenses and Other Current Liabilities Schedule of Accrued Liabilities [Table Text Block] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Cash, cash equivalents and restricted cash at beginning of period Cash, cash equivalents and restricted cash at end of period Total cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Provision for income taxes Income Tax Expense (Benefit) Sale of Stock [Domain] Sale of Stock [Domain] Other earnout shares Derivative Liability, Noncurrent Document Information [Line Items] Document Information [Line Items] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Dividend yield Measurement Input, Expected Dividend Rate [Member] Referral Agreement Referral Agreement [Member] Referral Agreement Product and Service [Domain] Product and Service [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Customer concentration risk Customer Concentration Risk [Member] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Total liabilities, measured at fair value Liabilities, Fair Value Disclosure Organization, Consolidation and Presentation of Financial Statements [Abstract] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Proceeds from exercise of stock options Proceeds from Stock Options Exercised City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Prepaid software licenses and maintenance Prepaid Software Licenses And Maintenance, Current Prepaid Software Licenses And Maintenance, Current Accrued expenses and other current liabilities Total accrued expenses and other current liabilities Accrued Liabilities, Current Conversion of Legacy Blaize convertible notes and exercise of Legacy Blaize warrants Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Change in fair value of Legacy Blaize convertible notes and warrants Fair Value Adjustment Of Convertible Debt And Warrants Fair Value Adjustment Of Convertible Debt And Warrants Net exercise of Legacy Blaize warrants for common stock Conversion of Stock, Amount Converted Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Related Party Transactions [Abstract] Subsequent event Subsequent Event [Member] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Merger and PIPE financing Stock Issued During Period, Value, Reverse Recapitalization Stock Issued During Period, Value, Reverse Recapitalization PEO Total Compensation Amount PEO Total Compensation Amount Money market funds Money Market Funds [Member] Other earnout shares Derivative Liability, Measurement Input Numerator Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Equity Components [Axis] Equity Components [Axis] Entity Ex Transition Period Entity Ex Transition Period Issuance of common stock to advisors Stock Issued During Period, Value, Issued for Services Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Operating expenses Operating Costs and Expenses [Abstract] Number of reportable segments Number of Reportable Segments Term Warrants and Rights Outstanding, Term Other Performance Measure, Amount Other Performance Measure, Amount Entity Address, State or Province Entity Address, State or Province Financial Asset, Aging [Domain] Financial Asset, Aging [Domain] Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Related and Nonrelated Parties [Domain] Related and Nonrelated Parties [Domain] Total current liabilities Liabilities, Current Over-allotment option Over-Allotment Option [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Individual: Individual [Axis] Other current assets Other Assets, Current Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Document Fiscal Year Focus Document Fiscal Year Focus Organization and Description of Business Basis of Accounting, Policy [Policy Text Block] Liquidity and Going Concern Substantial Doubt about Going Concern [Text Block] Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Entity Interactive Data Current Entity Interactive Data Current Exercise of stock options (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Adjusted EBITDA Net Income (Loss), Before Interest, Taxes, Depreciation And Amortization, Adjusted Net Income (Loss), Before Interest, Taxes, Depreciation And Amortization, Adjusted Derivative Instruments Derivatives, Policy [Policy Text Block] Segment Reporting Segment Reporting Disclosure [Text Block] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Technology Costs Information Technology and Data Processing Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Financial Statement Details Condensed Financial Statements [Text Block] Compensation for shareholder non-redemption (in dollars per share) Non-Redemption Agreement, Compensation For Non-Redemption Non-Redemption Agreement, Compensation For Non-Redemption Reclassification of equity-based shares to liabilities Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Selling, general and administrative Selling, General and Administrative Expense Accrued expenses - related party Accrued Expenses, Current Accrued Expenses, Current Volatility Measurement Input, Price Volatility [Member] Deferred income tax assets Deferred Income Tax Assets, Net Reverse Recapitalization [Line Items] Reverse Recapitalization [Line Items] Reverse Recapitalization [Line Items] Other assets Other Assets, Noncurrent Customer [Domain] Customer [Domain] Entity Central Index Key Entity Central Index Key PEO Name PEO Name Gross proceeds from sale of stock Sale of Stock, Consideration Received on Transaction Stock Conversion Description [Axis] Stock Conversion Description [Axis] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Beginning balance Ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Arrangement Duration Trading Arrangement Duration Payment of deferred offering costs Payment of Financing and Stock Issuance Costs Exercise price (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Beginning balance Ending balance Temporary Equity, Carrying Amount, Attributable to Parent Work in progress Inventory, Work in Process, Net of Reserves Exercise Price Award Exercise Price Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Class of Stock [Domain] Class of Stock [Domain] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Earnout shares Earnout Shares [Member] Earnout Shares Assets Assets [Abstract] Nonrelated party Nonrelated Party [Member] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Debt Instrument [Axis] Debt Instrument [Axis] Other accrued expenses Other Accrued Expenses, Current Other Accrued Expenses, Current Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Collateral shares for shareholder note receivable (in shares) Reverse Recapitalization, Shareholder Notes Receivable Secured By Collateral, Shares Reverse Recapitalization, Shareholder Notes Receivable Secured By Collateral, Shares Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Monte Carlo Simulation Valuation Technique, Monte Carlo Pricing Model [Member] Research and development Research and Development Expense Accumulated Other Comprehensive Income AOCI Attributable to Parent [Member] Allowance for credit losses Accounts Receivable, Allowance for Credit Loss, Current Operating lease liabilities Operating Lease, Liability, Noncurrent Conversion of Legacy Blaize convertible notes and Net exercise of Legacy Blaize warrants (in shares) Stock Issued During Period, Shares, Conversion of Convertible Securities Issuance of common stock for shareholder note receivable Stock Issued Affiliate referral percentage Supply Commitment, Purchase Order Commitment, Sales Referral 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Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] Number of operating segments Number of Operating Segments Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Axis] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Shareholder notes receivable Reverse Recapitalization, Shareholder Notes Receivable Reverse Recapitalization, Shareholder Notes Receivable Restatement Determination Date: Restatement Determination Date [Axis] Non-PEO NEO Non-PEO NEO [Member] Accounts receivable Accounts Receivable [Member] Software revenue Software Revenue [Member] Software Revenue Sale of Stock [Axis] Sale of Stock [Axis] Name Trading Arrangement, Individual Name Award Type [Domain] Award Type [Domain] Equity Awards Adjustments Equity Awards Adjustments [Member] Burkham Burkham [Member] Burkham Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Polar warrants Warrants and Rights Outstanding, Measurement Input Compensation Amount Outstanding Recovery Compensation Amount Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Additional stock purchase period Sale Of Stock, Additional Stock Purchase Period Sale Of Stock, Additional Stock Purchase Period China CHINA Schedule of Provision for Credit Losses Accounts Receivable, Allowance for Credit Loss [Table Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Conversion of Legacy Blaize convertible notes and Net exercise of Legacy Blaize warrants Stock Issued During Period, Value, Conversion of Convertible Securities Schedule of Revenue by Major Customers Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Reversal of provision due to collection of full balance Accounts Receivable, Allowance for Credit Loss, Reversal Due To Collection Accounts Receivable, Allowance for Credit Loss, Reversal Due To Collection Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Liability Class [Axis] Liability Class [Axis] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Inventories, net Total manufactured inventories Inventory, Net Net Loss per Share of Common Stock Earnings Per Share, Policy [Policy Text Block] Hardware revenue Hardware Revenue [Member] Hardware Revenue Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Company Selected Measure Name Company Selected Measure Name Purchase order by affiliate Supply Commitment, Remaining Minimum Amount Committed Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Net loss, diluted Net Income (Loss) Available to Common Stockholders, Diluted Financial Asset, Aging [Axis] Financial Asset, Aging [Axis] All Executive Categories All Executive Categories [Member] Finished goods - manufactured Inventory, Finished Goods, Net of Reserves Common stock - $0.0001 par value; 600,000,000 and 600,000,000 shares authorized as of March 31, 2026 and December 31, 2025, respectively, and 122,746,757 and 122,043,966 shares issued and outstanding as of March 31, 2026 and December 31, 2025, respectively Common Stock, Value, Issued EBITDA Net Income (Loss), Before Interest, Taxes, Depreciation And Amortization Net Income (Loss), Before Interest, Taxes, Depreciation And Amortization Weighted average shares outstanding, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Segment Reporting Segment Reporting, Policy [Policy Text Block] Commitments and contingencies Commitments and Contingencies No Trading Symbol Flag No Trading Symbol Flag Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Other prepaid expenses Other Prepaid Expense, Current Entity Small Business Entity Small Business Schedule of Revenue by Geographic Location Revenue from External Customers by Geographic Areas [Table Text Block] Customer C Customer C [Member] Customer C Document Transition Report Document Transition Report Underlying Securities Award Underlying Securities Amount Equity Component [Domain] Equity Component [Domain] Advances from related party Advances From Related Party [Member] Advances From Related Party Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Class A Common Stock Common Class A [Member] Beginning balance Ending balance Less: provision for credit losses: Accounts Receivable, Allowance for Credit Loss Polar warrants Polar Warrants [Member] Polar Warrants Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Over 60 days past due Financial Asset, 60 to 89 Days Past Due [Member] Revenue from Contract with Customer [Abstract] Scenario [Axis] Scenario [Axis] Document Type Document Type Level 3 Fair Value, Inputs, Level 3 [Member] Net Loss Per Share of Common Stock Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Additional paid-in capital Additional Paid in Capital Product and Service [Axis] Product and Service [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Revenue subject to constraint or variable consideration Revenue From Contract With Customer, Subject To Constraint Or Variable Consideration Revenue From Contract With Customer, Subject To Constraint Or Variable Consideration Schedule Of Reverse Recapitalization Schedule Of Reverse Recapitalization [Table Text Block] Schedule Of Reverse Recapitalization Total revenue Revenue Revenue from Contract with Customer, Excluding Assessed Tax All Individuals All Individuals [Member] Fair Value Disclosures [Abstract] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Accounts payable Accounts Payable, Excluding Trade Payables, Current Accounts Payable, Excluding Trade Payables, Current Revenue recognized at a point in time Transferred at Point in Time [Member] Name Forgone Recovery, Individual Name Total current assets Assets, Current Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Components of cash, cash equivalents and restricted cash: Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation [Abstract] Polar warrants Warrant Liability, Noncurrent Warrant Liability, Noncurrent Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Earnout shares (in shares) Reverse Recapitalization, Contingent Consideration, Equity, Shares Reverse Recapitalization, Contingent Consideration, Equity, Shares Exercise price Measurement Input, Exercise Price [Member] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Term Derivative, Term of Contract Net loss, basic Net Income (Loss) Available to Common Stockholders, Basic Other current liabilities Accrued Liabilities, Current [Abstract] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Other comprehensive income Other comprehensive income Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Current liabilities Liabilities, Current [Abstract] Accrued loss on purchase commitments Accrued Loss On Purchase Commitments, Current Accrued Loss On Purchase Commitments, Current Geographical [Axis] Geographical [Axis] Other income (expense), net Other Expenses [Abstract] Percent of receivables past due Financing Receivable, Percent Past Due Total operating expenses Operating Expenses Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Level 1 Fair Value, Inputs, Level 1 [Member] Related Party Transaction [Table] Related Party Transaction [Table] Schedule of Accounts Receivable by Major Customer Schedule Of Accounts Receivable By Major Customer [Table Text Block] Schedule Of Accounts Receivable By Major Customer Net loss per share - diluted (in dollars per share) Earnings Per Share, Diluted Forecast Forecast [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Accounts receivable, net of allowance for credit losses of $2,430 and $523, respectively Accounts receivable Accounts Receivable, after Allowance for Credit Loss, Current Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Title of 12(b) Security Title of 12(b) Security Supplemental non-cash disclosures: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Prepaid insurance premiums Prepaid Insurance Sales commissions Accrued Sales Commission, Current Shares issued and sold (in shares) Sale of Stock, Number of Shares Issued in Transaction Earnings Per Share [Abstract] Organization and Description of Business Business Description and Basis of Presentation [Text Block] Total other income (expense), net Nonoperating Income (Expense) Customer B Customer B [Member] Customer B Gross Profit Gross Profit Schedule of Antidilutive Securities Excluded from the of Computation of Diluted Net Loss Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Denominator: Weighted Average Number of Shares Outstanding, Diluted, Adjustment [Abstract] Warrants issued to an advisor Warrants To Purchase Common Stock [Member] Warrants To Purchase Common Stock Award Timing Disclosures [Line Items] Schedule of Inventories, Net Schedule of Inventory, Current [Table Text Block] Accrued compensation Employee-related Liabilities, Current Common Stock, Currently Outstanding Warrants to Purchase Common Stock, and Earnout Shares Equity [Text Block] Net loss Net loss Net Income (Loss) Attributable to Parent Change in fair value of other earnout shares Gain (Loss) on Derivative Instruments, Net, Pretax Subsequent Event [Table] Subsequent Event [Table] ESPP Employee Stock Purchase Plan Shares [Member] Employee Stock Purchase Plan Shares Expiration Date Trading Arrangement Expiration Date Reverse Recapitalization [Roll Forward] Reverse Recapitalization [Roll Forward] Reverse Recapitalization Common Stock Subject to Possible Redemption Common Stock Subject To Possible Redemption [Member] Common Stock Subject To Possible Redemption Other current liabilities Other Accrued Liabilities, Current Total cash paid to other related parties Related Party Transaction, Amounts of Transaction Stockholders’ equity: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] Property and equipment, net Property, Plant and Equipment, Net Geographic concentration risk Geographic Concentration Risk [Member] Adoption Date Trading Arrangement Adoption Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Cash compensation received by related party employee Cash Compensation Received By Related Party Employee [Member] Cash Compensation Received By Related Party Employee Entity Current Reporting Status Entity Current Reporting Status Series A Preferred Stock Series A Preferred Stock [Member] Term Measurement Input, Expected Term [Member] Customer [Axis] Customer [Axis] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Loss from operations Loss from operations Operating Income (Loss) Marketing services Marketing Services [Member] Marketing Services Accumulated deficit Retained Earnings (Accumulated Deficit) Prepaid compensation Prepaid Compensation, Current Prepaid Compensation, Current Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] Revenue recognized over time Transferred over Time [Member] Current Fiscal Year End Date Current Fiscal Year End Date Class of Stock [Axis] Class of Stock [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Conversion of Legacy Blaize convertible notes to common stock Debt Conversion, Converted Instrument, Amount Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Other, net Other Nonoperating Income (Expense) Statement [Table] Statement [Table] Effect of exchange rate changes on cash, cash equivalents and restricted cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Revenue benchmark Revenue Benchmark [Member] Issuance of common stock warrants to advisor Adjustments to Additional Paid in Capital, Warrant Issued Non-redemption period Non-Redemption Agreement, Period Of Share Non-Redemption Non-Redemption Agreement, Period Of Share Non-Redemption Risk-free rate Measurement Input, Risk Free Interest Rate [Member] Going Concern [Table] Going Concern [Table] Going Concern [Table] Non-cash inventory cost realignment adjustments Inventory Cost Adjustments, Non-Cash Inventory Cost Adjustments, Non-Cash Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Antidilutive securities excluded from computation of earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] All Adjustments to Compensation All Adjustments to Compensation [Member] Accounts payable and accrued liabilities, current Accounts Payable and Accrued Liabilities, Current Amendment Flag Amendment Flag Price per share (in dollars per share) Sale of Stock, Price Per Share Termination Date Trading Arrangement Termination Date Cash provided by (used in) financing activities Cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Weighted average shares outstanding, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Polar warrants Warrants and Rights Outstanding Schedule of Basic and Dilutive Net Loss Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Related Party Transaction [Domain] Related Party Transaction [Domain] Subsequent Events [Abstract] Segment Reporting [Abstract] Cost of revenue Cost of revenue Cost of Revenue Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Entity Tax Identification Number Entity Tax Identification Number Scenario [Domain] Scenario [Domain] Merger and PIPE financing, net of transaction costs Proceeds From Reverse Recapitalization, Net Proceeds From Reverse Recapitalization, Net Total accounts receivable Accounts Receivable, before Allowance for Credit Loss Write-off activity Accounts Receivable, Allowance for Credit Loss, Writeoff Raw materials Inventory, Raw Materials and Purchased Parts, Net of Reserves Merger and PIPE financing Temporary Equity, Stock Issued During Period, Value, Reverse Recapitalization Temporary Equity, Stock Issued During Period, Value, Reverse Recapitalization Accrued trade payables Accounts Payable, Trade, Current Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares issued (in shares) Common Stock, Shares, Issued Strategic consulting services Strategic Consulting Service Revenue [Member] Strategic Consulting Service Revenue Use of Estimates Use of Estimates, Policy [Policy Text Block] Trading Arrangement: Trading Arrangement [Axis] Merger and PIPE financing (in shares) Temporary Equity, Stock Issued During Period, Shares, Reverse Recapitalization Temporary Equity, Stock Issued During Period, Shares, Reverse Recapitalization Total Shareholder Return Amount Total Shareholder Return Amount Change in fair value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Schedule of Financial Assets and Liabilities at Fair Value Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Subsequent Events Subsequent Events [Text Block] Change in foreign currency translation adjustments, net Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Insider Trading Arrangements [Line Items] Security Exchange Name Security Exchange Name Others Other Customers [Member] Other Customers Current Financial Asset, Not Past Due [Member] Total liabilities Liabilities Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Property and equipment acquired in accounts payable and accrued expenses Capital Expenditures Incurred but Not yet Paid Working Capital Loan Working Capital Loan [Member] Working Capital Loan Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Issuance of warrants for professional services Noncash Financing Activities, Issuance Of Warrants For Services Noncash Financing Activities, Issuance Of Warrants For Services Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Conversion of Legacy Blaize convertible notes Conversion Of Legacy Blaize Convertible Notes [Member] Conversion Of Legacy Blaize Convertible Notes Purchase of finished goods inventory for sale Purchase Of Finished Goods Inventory, Resale Purchase Of Finished Goods Inventory, Resale Accrued purchase commitments Accrued Purchase Commitments, Current Accrued Purchase Commitments, Current Increase (Decrease) in Temporary Equity [Roll Forward] Increase (Decrease) in Temporary Equity [Roll Forward] Share Repurchase Program [Abstract] Statement [Line Items] Statement [Line Items] Fair value changes and financing charges Fair value changes and financing charges Fair Value Changes And Financing Charges Fair Value Changes And Financing Charges Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Counterparty Name [Axis] Counterparty Name [Axis] Subsequent Event [Line Items] Subsequent Event [Line Items] Net change in cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect, Discontinued Operation Common Stock Common Stock Common Stock [Member] Fair value on date of issuance - other earnout shares and Polar warrants Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances Net exercise of Legacy Blaize warrants Exercise Of Legacy Blaize Warrants [Member] Exercise Of Legacy Blaize Warrants Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Accrued professional fees Accrued Professional Fees, Current