v3.26.1
Cover
Apr. 14, 2026
Document Information [Line Items]  
Document Type 8-K
Document Period End Date Apr. 14, 2026
Entity Registrant Name Blaize Holdings, Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 001-41139
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
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Entity Ex Transition Period false
Entity Central Index Key 0001871638
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