---
title: "AI code-testing startup Blacksmith raised a $66M Series C led by Sequoia Capital at a $1B valuation, up from $550M after raising a $45M Series B in August (Beatrice Nolan/Fortune)"
type: signal
url: https://frontiernewswire.com/s/ai-code-testing-startup-blacksmith-raised-a-66m-series-c-led-by-a2e60a43
published: 2026-10-21T11:30:01.000Z
byline: "Source: TECHMEME"
---

# AI code-testing startup Blacksmith raised a $66M Series C led by Sequoia Capital at a $1B valuation, up from $550M after raising a $45M Series B in August (Beatrice Nolan/Fortune)

Source: TECHMEME · Published 2026-10-21 · Canonical: https://frontiernewswire.com/s/ai-code-testing-startup-blacksmith-raised-a-66m-series-c-led-by-a2e60a43

Beatrice Nolan / Fortune : AI code-testing startup Blacksmith raised a $66M Series C led by Sequoia Capital at a $1B valuation, up from $550M after raising a $45M Series B in August — Blacksmith, a startup that runs the infrastructure companies use to test code before it ships, has been valued at $1 billion following …

## Sources

- [Read the original at TECHMEME](https://www.techmeme.com/261021/p17#a261021p17)

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