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Merger and Reverse Recapitalization (Tables) | 9 Months Ended
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Sep. 30, 2025
Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract] |
Schedule of Reconciliation of Merger To Cash Flows and Stockholders' Equity | The following table reconciles the elements of the Merger to the condensed consolidated statement of cash flows and the condensed consolidated statement of stockholders’ equity (deficit) for the nine months ended September 30, 2025:
(Amounts in thousands) |  | Recapitalization |
Cash - BurTech trust and cash, net of redemptions |  | $ | 37,259 |
Less: Non-redemption escrow |  |  | (33,061 | )
Cash - PIPE |  |  | 15,295 |
Less: transaction costs and advisory paid by BurTech |  |  | (3,619 | )
Net cash proceeds from Merger |  |  | 15,874 |
Other earnout shares |  |  | (126,025 | )
Non-cash net liabilities assumed from BurTech |  |  | (16,013 | )
Total Merger and PIPE financing |  | $ | (126,164 | )
Schedule of Number of Shares of Common Stock Outstanding on Merger | The number of shares of common stock outstanding immediately following the consummation of the Merger:
BurTech Class A common stock, outstanding prior to the Merger |  |  | 10,816,995 |
Sponsor forfeiture |  |  | (2,000,000 | )
BurTech Class A common stock subject to redemption, outstanding prior to the Merger |  |  | 4,104,543 |
Shareholder Note receivable |  |  | 750,000 |
Redemption of BurTech Class A common stock |  |  | (937,844 | )
BurTech Class A Shares in non-redemption escrow |  |  | (2,854,242 | )
Class A common stock of BurTech |  |  | 9,879,452 |
PIPE shares |  |  | 1,529,500 |
BurTech Class B common stock, outstanding prior to the Merger |  |  | 5 |
Merger and PIPE financing shares |  |  | 11,408,957 |
Legacy Blaize shares |  |  | 87,314,968 |
Issuance of common stock to advisors |  |  | 94,949 |
Common stock immediately after the Merger |  |  | 98,818,874 |
Schedule of Legacy Share Reconciliation | The number of Legacy Blaize shares was determined as follows:
|  | Legacy Blaize Shares |  |  | Legacy Blaize Shares After Conversion |
Common stock |  |  | 17,518,791 |  |  |  | 13,663,527 |
Conversion of redeemable convertible preferred stock |  |  | 44,506,781 |  |  |  | 34,712,525 |
Conversion of convertible notes |  |  | 40,302,382 |  |  |  | 31,433,259 |
Net exercise of legacy warrants |  |  | 9,623,432 |  |  |  | 7,505,657 |
Common stock immediately after the Merger |  |  | 111,951,386 |  |  |  | 87,314,968 |

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- Definition Tabular disclosure of equity interest issued or issuable by acquirer as part of consideration transferred in business combination. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479581/805-30-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479581/805-30-50-1 + Details
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