Snorkel AI Raises $350M at $3.5B Valuation for Agentic Data
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San Francisco – September 22, 2026 -- Snorkel AI has raised $350 million at a $3.5 billion valuation to expand its agentic data factory, which supplies training and evaluation data behind frontier AI lab systems.
Insight Partners and S32 co-lead funding round with multiple new backers
The round was co-led by Insight Partners and S32, with significant participation from existing investor Addition. New investors include March Capital, Blumberg Capital, Allegis Capital, Frontline, Standard, and Third Point Ventures, alongside existing backers Greylock, Lightspeed, GV, Factory, Prosperity7, Walden Catalyst, and Wells Fargo.