Blacksmith Raises $66 Million, Valued at $1 Billion

Blacksmith helps companies build and test software, including code written by AI. It raised $66 million in a Series C round led by Sequoia Capital, a major investment firm, at a $1 billion valuation. Announced October 21, 2026. Total funding now stands at $125 million, which the company says will pay for more staff and computing power.