Company status
Active, privately held.
Sources 1, 2, 3, 4 · checked 2026-11-08
Capabilities
- Human feedback from representative populations for preference tuning, safety evals, and benchmarks
- Evaluator targeting with 300+ prescreening attributes (demographics, expertise, language, domain)
- Preference ranking and factuality checking; Human Feedback API; HUMAINE preference framework
- Managed services with pool management and multi-stage QA
Sources 1, 2, 3, 4 · checked 2026-11-08
Who it tends to fit
- Teams that need demographically representative preference raters
- Researchers who want to run preference studies themselves with published pricing
Sources 1, 2, 3, 4 · checked 2026-11-08
Pricing
Pay-as-you-go platform fee usually 42.8% of participant rewards for corporate customers (33.3% academic or non-profit); recommended participant pay at least $12.00 per hour, minimum $8.00 per hour. Managed services: custom quote.
Sources 1, 2, 3, 4 · checked 2026-11-08
Published certifications
- ISO 27001:2022
- Cyber Essentials
- SOC 2 Type 2 not yet held (plans stated as underway)
- GDPR (security overview)
Listed as stated by the vendor. Scope can differ by product or subsidiary; request current reports.
Sources 1, 2, 3, 4 · checked 2026-11-08
Limitations to check
- Self-serve: you design the preference task, rater instructions, and QA
- SOC 2 Type 2 is planned, not held, per the security overview
Sources 1, 2, 3, 4 · checked 2026-11-08
Sources
- Pricing page: 42.8% corporate / 33.3% academic fee, recommended and minimum participant pay, managed services customwww.prolific.com/pricingChecked 2026-11-08
- Model evaluation page: 300+ prescreening attributes, identity-checked evaluators, HUMAINEwww.prolific.com/model-evaluationChecked 2026-11-08
- Security overview: ISO 27001 and Cyber Essentials; SOC 2 Type 2 plans underway; GDPRwww.prolific.com/prolific-security-overviewChecked 2026-11-08
- Homepage: human feedback for preference tuning, safety evals, benchmarks; Human Feedback APIwww.prolific.com/Checked 2026-11-08
Report a correction: [email protected]. Facts are re-checked at least every 90 days.