Snorkel AI triples valuation to $3.5B as demand for AI training data booms

Snorkel AI, a startup specializing in building training datasets and simulated environments for AI labs and corporations, has successfully raised $350 million in a Series E funding round, tripling its valuation to $3.5 billion. This growth mirrors the boom experienced by other AI data companies like Mercor, Handshake, and Micro1, which have seen their gross annualized revenues climb to $2 billion, $1 billion, and $500 million respectively, driven by the increasing demand for AI training data.