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Blacksmith Attains $66M Series C

Reported by Vcnewsdaily
Oct 21, 2026· 1 min read
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Key Takeaways
  • • Blacksmith, an infrastructure platform for building and testing code, announced a $66M Series C led by Sequoia Capital at a $1 billion valuation.
  • • The round was joined by Premji Invest and existing investors Peak XV Partners, GV and Y Combinator.
  • • The Series C lifts Blacksmith's total funding to $125 million.
  • • Proceeds will be used to grow the team and expand the company's compute footprint.
Summary
San Francisco-based Blacksmith, which operates an infrastructure platform for building and testing code, has announced a $66 million Series C financing led by Sequoia Capital. The round values the company at $1 billion, according to the announcement.

Premji Invest joined the round as a new investor, while existing backers Peak XV Partners, GV and Y Combinator also participated. The financing brings Blacksmith's total funding to $125 million.

The company said it will use the capital to grow its team and expand its compute footprint, indicating investment in the infrastructure capacity that underpins its build and testing services. The primary source does not disclose revenue, customer metrics or detailed use-of-proceeds figures.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Vcnewsdaily Blacksmith Attains $66M Series C