November 15, 2026 Understand what changes. Find what to use.

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Blacksmith announces $66 million round at $1 billion valuation

Blacksmith announced a $66 million Series C led by Sequoia, valuing its platform for building and testing software, including AI-written code, at $1 billion. Co-founder and CEO Aditya Jayaprakash said the company was created to simplify continuous integration, the process of building, testing, merging and validating code changes. Blacksmith says the growing volume of AI-generated code is increasing the need to verify that it can be trusted.

The company also says its annual recurring revenue has grown 17x and that it has run more than 90 million continuous integration jobs, or individual automated code checks. Customers include Mercury and Granola. The round came two months after a $45 million Series B that valued the company at $550 million; Blacksmith says it has raised $125 million to date.

Why it matters · editorial interpretation

The round underscores the importance of continuous-integration tools for validating code changes in a context Blacksmith links to the increase in AI-generated code. The sharp rise in valuation also signals strong investor interest in this layer of development infrastructure, although the revenue figures were disclosed by the company itself.

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