Blacksmith
A managed place to run an existing GitHub Actions workflow.
Blacksmith Funding History
Blacksmith runs GitHub continuous integration jobs on managed bare-metal infrastructure. Its service replaces GitHub-hosted runners and includes tools for monitoring CI workloads.
Company Overview
Blacksmith
Founded 2024 · San Francisco, California, US
Official WebsiteBlacksmith Funding Timeline
Series C
US$66 million
Blacksmith said the round would support hiring and more compute capacity for building and testing software.
Led by Sequoia Capital. Participation included Premji Invest, Peak XV Partners, GV, Y Combinator.
Source · prnewswire.com ↗Series B
US$45 million
Blacksmith said the financing would help it expand infrastructure for testing and validating AI-generated code.
Led by Peak XV Partners.
Source · blacksmith.sh ↗Series A
US$10 million
Blacksmith raised the round as it expanded its tools for building and testing code in GitHub Actions.
Led by GV.
Source · techcrunch.com ↗Seed
US$3.5 million
Blacksmith planned to develop its cloud infrastructure for continuous integration and deployment workloads.
Led by GV.
Source · blacksmith.sh ↗
Blacksmith Founding Team
Aditya Jayaprakash, an engineer at Faire before becoming Blacksmith’s CEO, co-founded the company with Aayush Shah and Aditya Maru, both early engineers at Cockroach Labs. Their team built infrastructure for running continuous integration jobs.
Blacksmith Products
Blacksmith Company Development
Faster Runners Needed Better Diagnostics
After offering hosted compute for GitHub Actions, Blacksmith added analytics that let developers drill down into slow and flaky jobs. A team could use the same service to run a workflow and investigate whether a change in runner or job behavior made it less reliable.
Blacksmith Competitive Landscape
How Much of CI Needs to Change
Blacksmith accelerates existing GitHub Actions workflows by replacing the hosted runner with managed infrastructure. Depot also addresses CI performance, with a particular emphasis on build infrastructure and caching. The sensible comparison starts with whether the bottleneck is runner execution or container builds.
