Blacksmith, a cloud for validating code through drop-in replacement for GitHub Actions runners, raised a $45 million Series B led by Peak XV Partners, with existing investors Y Combinator and GV also participating. The round values Blacksmith at $550 million.
Blacksmith claims that its runners for GitHub Actions are 2x faster and costs 75% less than GitHub-hosted runners. GitHub Actions is a continuous integration and continuous delivery (CI/CD) platform that allows you to automate your build, test, and deployment pipeline. You can create workflows that build and test every pull request to your repository, or deploy merged pull requests to production.
If Blacksmith started with purpose-built infrastructure that runs CI workloads dramatically faster, the company recently launched codesmith, a cloud coding agent developers can delegate tasks to. Beyond building features and fixing bugs, codesmith works inside the validation loop: diagnosing CI failures, autofixing them, and keeping pull requests green. It is also the foundation for codesmith QA, which will autonomously test changes before they merge.
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