v3.25.2
Document and Entity Information
Jun. 30, 2025
Document And Entity Information [Line Items]  
Amendment Flag false
Entity Central Index Key 0001871638
Document Type 8-K
Document Period End Date Jun. 30, 2025
Entity Registrant Name Blaize Holdings, Inc.
Entity Incorporation State 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
Common Stock Par Value 0.0001 Per Share 2 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Common stock, par value $0.0001 per share
Trading Symbol BZAI
Security Exchange Name NASDAQ
Warrants Each Whole Warrant Exercisable For One Share Of Common Stock At An Exercise Price Of 11.50 Per Share 1 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title 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