Vendors · Data vendor
Prolific
Self-serve vetted participants, AI evals, RLHF
Research as of Oct 7, 2026.
- Revenue / run rate
- ~$350M annualized (Apr 2026) [est., Sacra]
- Valuation
- ~$33M raised
- Worker pay range
- Minimum $8/£6 per hr, recommended $12/£9; participants get ~70% of spend
Pay range above is from company pages, listings, and reporting — not from worker submissions on this site.
Sources
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