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v3.25.3

Cover Page | 9 Months Ended
--- | ---
Sep. 30, 2025
Document Information [Line Items] |
Document Type | S-1
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 Filer Category | Non-accelerated Filer
Entity Small Business | true
Entity Emerging Growth Company | true
Entity Ex Transition Period | false
Entity Central Index Key | 0001871638
Amendment Flag | false
Entity Primary SIC Number | 3674
Business Contact [Member] |
Document Information [Line Items] |
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
Contact Personnel Name | Harminder Sehmi

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