AI Training Data Providers, by the kind of data.
Most of these companies work on several kinds. Each page lists the ones whose own websites name that kind, largest first.
- CodingLargest: Mercor ($2B revenue, run rate, Jun 2026)52 companies
- Business workLargest: Mercor ($2B revenue, run rate, Jun 2026)50 companies
- Images and videoLargest: Surge AI ($1.2B revenue, FY2024)47 companies
- FinanceLargest: Mercor ($2B revenue, run rate, Jun 2026)44 companies
- RoboticsLargest: Scale AI ($870M revenue, FY2024)44 companies
- MedicalLargest: Mercor ($2B revenue, run rate, Jun 2026)41 companies
- Speech and audioLargest: Surge AI ($1.2B revenue, FY2024)32 companies
- Computer useLargest: Scale AI ($870M revenue, FY2024)30 companies
- LanguagesLargest: Surge AI ($1.2B revenue, FY2024)29 companies
- LegalLargest: Mercor ($2B revenue, run rate, Jun 2026)26 companies
- ScienceLargest: Surge AI ($1.2B revenue, FY2024)22 companies
- SecurityLargest: Proximal ($200M revenue, run rate, Sep 2026)14 companies
- MathLargest: Toloka ($26.4M revenue, FY2024)10 companies
- GamesLargest: Defined.ai ($62.3M raised in total)9 companies
- CreativeLargest: Wirestock ($40M revenue, run rate, May 2026)6 companies