CI Tool Blacksmith Raises $45M Series B at $550M Valuation
ycombinator · x · 2026-08-12
CI tool Blacksmith announced it raised a $45M Series B in March led by Peak XV, valuing the company at $550M.
The founder reflected on their previous predictions: they were right that AI would lead to more code that needs to be built and tested, but they underestimated the pace of this shift. Since the beginning of the year, as developers spent holidays deeply using tools like Claude Code, the number of CI jobs running on Blacksmith has experienced explosive growth.
Related event: AI Code Testing Startup Blacksmith Raises $45M Series B(3 posts)→
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