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Unvested [Member] Revenue recognized over time Transferred over Time [Member] Class of Stock [Axis] Class of Stock [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Change in fair value of Legacy Blaize convertible notes and warrants Fair Value Adjustment Of Convertible Notes And Warrants Fair Value Adjustment Of Convertible Notes And Warrants Sale of finished goods - resale Inventory, Sales Of Finished Goods, Resale, Net Of Reserves Inventory, Sales Of Finished Goods, Resale, Net Of Reserves 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] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Other, net Other Nonoperating Income (Expense) Statement [Table] Statement [Table] Deferred income taxes Total deferred Deferred Income Tax Expense (Benefit) Adjustments to reconcile net loss to net cash used in operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Revenue benchmark Revenue Benchmark [Member] Risk-free rate Measurement Input, Risk Free Interest Rate [Member] Non-cash inventory cost realignment adjustments Inventory Cost Adjustments, Non-Cash Inventory Cost Adjustments, Non-Cash Advisory services Advisory Services [Member] Advisory Services All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Amendment Flag PIPE share price (in dollars per share) Price per share (in dollars per share) Sale of Stock, Price Per Share Number of shares authorized Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Termination Date Trading Arrangement Termination Date Insider Trading Policies and Procedures Adopted Insider Trading Policies and 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Number of RSUs Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] 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] Payment of trade payable liability Payments Of Trade Payables, Inventory Payments Of Trade Payables, Inventory Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Additions based on tax positions taken related to current period Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions 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] Issuance of common stock Stock Issued During Period, Value, New Issues Counterparty Name [Axis] Counterparty Name [Axis] Deferred tax liabilities: Components of Deferred Tax Liabilities [Abstract] 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 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]