Code testing startup Blacksmith announces it has closed a $66 million Series C funding round led by Sequoia Capital, valuing the company at $1 billion. The company describes its work as helping developers test and verify code before it is shipped into production, positioning the platform as part of continuous integration infrastructure.

Across outlets, coverage aligns on the key deal points: a Sequoia-led Series C, the $66 million amount, and the $1 billion unicorn valuation. TechCrunch and SiliconANGLE both emphasize the valuation outcome, while Inc42 frames the news as an AI-oriented startup reaching unicorn status. PR Newswire adds business-performance context, citing company growth and usage—reporting ARR growth and that more than 10,000 startups and enterprise companies run builds and tests on the platform as the company aims to scale code validation.