Best Human Data Companies

Vendor profileChecked Nov 8, 2026

Defined.ai

Defined.ai · defined.ai · Last checked:

  • Data marketplace (off-the-shelf datasets)
  • Data collection & annotation
  • Speech/conversational & multilingual data
  • Data and model evaluation

Company status

Active, privately held.

Sources 1, 2 · checked 2026-11-08

Capabilities

  • Marketplace for licensable datasets
  • Data annotation, collection, machine translation
  • Conversational AI and speech data
  • Data and model evaluation

Sources 1, 2 · checked 2026-11-08

Who it tends to fit

  • Teams wanting licensable off-the-shelf speech, text or multimodal datasets
  • Multilingual conversational AI programs

Sources 1, 2 · checked 2026-11-08

Pricing

Marketplace datasets are listed individually; custom services: contact sales

Sources 1, 2 · checked 2026-11-08

Published certifications

Listed as stated by the vendor. Scope can differ by product or subsidiary; request current reports.

Sources 1, 2 · checked 2026-11-08

Limitations to check

  • Less published focus on frontier RLHF than lab-focused vendors; confirm fit

Sources 1, 2 · checked 2026-11-08

Sources

  1. Homepage: marketplace, solutions; ISO 27001/27701/42001, GDPR & HIPAA statementwww.defined.ai/Checked 2026-11-08
  2. Press room: ISO 42001 certification releasewww.defined.ai/press-roomChecked 2026-11-08

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