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Snorkel AI raises a $350 million Series E at a $3.5 billion valuation

Funding Provisional 92% confidence first seen

Snorkel AI, an AI training data provider, raised a $350 million Series E round at a $3.5 billion valuation. The company said the funding reflects rising demand for AI training data and simulated/reinforcement learning environments and plans to use it for hiring, AI safety efforts, and expanding its dataset and evaluation offerings.

Snorkel AI Alphabet Inc. GV Insight S32 Series E Stanford University

The deal

Snorkel AI $350 million Late stage · announced 22 Sep 2026

Investors Insight S32

Deal terms as reported in the coverage below.

Source coverage

Snorkel AI triples valuation to $3.5B as demand for AI training data booms TechCrunch independent Training data provider Snorkel AI raises $350M at $3.5B valuation SiliconANGLE independent

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