Blacksmith (W24) is building a faster cloud for continuous integration (CI), helping developers test and ship code as AI coding tools generate more of it. As software production accelerates, testing and validation are becoming the new bottleneck. That shift has helped https://t.co/RsMoAUpjw4
Blacksmith raises $45M Series B led by Peak XV

We raised a $45M Series B led by Peak XV, with YC and GV tripling down. Blacksmith is now valued at $550M. We closed this back in March. CI volume is up 5-10% every week as codegen makes writing code easy and validating it the bottleneck. 6,000+ companies run CI on us. What's https://t.co/ybIIo7sGI4
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Launched Aug 12, 2026View post
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Blacksmith, a platform that lets companies build and test AI code more effectively, just announced a $66 million Series C round led by Sequoia that values the company at $1 billion. https://t.co/1JWiylNvgf
Oct 21, 2026
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