v3.26.1

Cover Page - USD ($) $ in Millions	12 Months Ended
Cover Page - USD ($) $ in Millions	Dec. 31, 2025	Mar. 20, 2026	Jun. 30, 2025
Document Information [Line Items]
Document Type	10-K/A
Document Annual Report	true
Document Period End Date	Dec. 31, 2025
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	001-41139
Entity Registrant Name	Blaize Holdings, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	86-2708752
Entity Address, Address Line One	4659 Golden Foothill Parkway
Entity Address, Address Line Two	Suite 206
Entity Address, City or Town	El Dorado Hills
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	95762
City Area Code	916
Local Phone Number	347-0050
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
ICFR Auditor Attestation Flag	false
Document Financial Statement Error Correction [Flag]	false
Entity Shell Company	false
Entity Public Float			$ 217.4
Entity Common Stock, Shares Outstanding		122,744,509
Documents Incorporated by Reference	None.
Entity Central Index Key	0001871638
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	FY
Amendment Flag	false
Common Stock
Document Information [Line Items]
Title of 12(b) Security	Common stock, par value $0.0001 per share
Trading Symbol	BZAI
Security Exchange Name	NASDAQ
Warrant
Document Information [Line Items]
Title of 12(b) Security	Warrants, each whole warrant exercisable for one share of common stock at an exercise price of $11.50 per share
Trading Symbol	BZAIW
Security Exchange Name	NASDAQ

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Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.

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Blaize Holdings, Inc. 10-K/A