Blacksmith
StreetZero Signal 94
About Blacksmith
Blacksmith is an AI code-testing startup that provides infrastructure for companies to test code before it ships. It focuses on making continuous integration (CI) faster and cheaper by running GitHub Actions on high-performance gaming-grade CPUs instead of standard cloud hardware. Founded by engineers from Faire and Cockroach Labs, the company has raised funding to expand its team and computing resources amid surging AI-written code.
LATEST FUNDINGSeries C
$66.0M
Announced 2026-10-21
TOTAL RAISED$124.5M
IN THE NEWS
- 🔗 Exclusive: AI code-testing startup Blacksmith hits $1 billion valuation as AI-written code surges | Fortune
- 🔗 Blacksmith raises $10M for faster, cheaper CI with gaming-grade CPUs | Y Combinator posted on the topic | LinkedIn
- 🔗 AI code-testing startup Blacksmith's valuation jumps almost 10x in less than a year | TechCrunch
- 🔗 Blacksmith Applications - 2026 Company Profile, Funding & Competitors - Tracxn
- 🔗 Blacksmith Raises $3.5M led by GV and Y Combinator to Build a High-Performance CI Cloud. | Blacksmith
EMPLOYEES40
FOUNDED—
HQSan Francisco, California, United States
Industry
AI
Tags
AICode TestingCISeries C
Key highlights
- Achieved $1B valuation in Series C led by Sequoia two months after $550M Series B.
- Total funding stands at $124.5M with investors including Peak XV, GV, and Y Combinator.
- Operates with ~40 employees in San Francisco and New York, targeting 75 by year-end.
- CI platform runs on gaming-grade CPUs to deliver 2x faster jobs at up to 75% lower cost.
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