A Roundup of the AI Training Data Sector
deedydas · x · 2026-07-12
The article rounds up the major startups in the AI training data sector, pointing out that over 50 companies are selling data and RL environments to large model labs, quietly supporting AI advancements.
The core conclusion is that these companies collectively have around $8.5 billion in revenue and a $100 billion valuation, with Scale, Surge, Mercor, and Handshake accounting for over 75% of the share.
Related event: AI Training Data Landscape Revealed: 50+ Firms Valued at Nearly $100B(7 posts)→
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