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Every single startup selling AI Training Data (July 2026) >50 | Tech Twitter
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Every single startup selling AI Training Data (July 2026)
>50 cos sell data and RL environments to big AI labs and drive AI progress behind the scenes.
They total ~$8.5B in rev and ~$100B in valuation, >75% of which are just 4 players: Scale, Surge, Mercor and Handshake.
