# Prolific

URL: https://sellmydatatoai.net/data-buyers/prolific
Type: Training-data company
Website: https://www.prolific.com/
Checked: November 2026

Prolific is a platform where AI teams and researchers pay vetted participants for human feedback, evaluations and online studies. Its pricing page cites more than 300,000 active participants, sets minimum participant pay at £6.00 or $8.00 an hour and charges corporate customers a 42.8% platform fee. Prolific sells participant time and does not buy company data.

## Key takeaways

- Prolific is a training-data company.
- What it buys: Participant time for studies, preference data, safety evaluations and benchmarks. Does not buy company data.
- Published payout: Participants: at least £6.00 or $8.00 an hour, with £9.00 or $12.00 an hour recommended.
- Size requirement: Not applicable to companies. More than 300,000 active participants, with over a million on the waitlist.
- Fee to seller: Not applicable to participants. Buyers pay a 42.8% platform fee (corporate) or 33.3% (academic and non-profit).
- Prolific does not publish its exclusivity.
- Facts checked on Prolific's own pages in November 2026.

## At a glance

- What it buys: Participant time for studies, preference data, safety evaluations and benchmarks. Does not buy company data
- Published payout: Participants: at least £6.00 or $8.00 an hour, with £9.00 or $12.00 an hour recommended
- Size requirement: Not applicable to companies. More than 300,000 active participants, with over a million on the waitlist
- Exclusivity: Not published
- Fee to seller: Not applicable to participants. Buyers pay a 42.8% platform fee (corporate) or 33.3% (academic and non-profit)
- Payment timing: Not published on the pages we checked

## What does Prolific sell?

Prolific sells access to human participants for AI development and research. Its homepage lists human feedback from representative populations for preference tuning, safety evaluations and benchmarks, plus a Human Feedback API, healthcare and coding experts and agentic evaluations. This is the work that produces [RLHF and preference data](https://sellmydatatoai.net/buy-ai-training-data/rlhf-preference-data) and [evaluation datasets](https://sellmydatatoai.net/buy-ai-training-data/evaluation-datasets).

## What does Prolific pay participants and charge buyers?

Prolific sets a minimum participant rate of £6.00 or $8.00 an hour and recommends at least £9.00 or $12.00 an hour, with more for specialized tasks. Buyers on its pay-as-you-go plan add funds to a wallet with no monthly fee, and pay a platform fee of 42.8% as corporate customers or 33.3% as academic or non-profit customers. Managed services are priced on request.

## Sources

- [Prolific homepage](https://www.prolific.com/), Prolific, accessed November 2026
- [Pricing](https://www.prolific.com/pricing), Prolific, accessed November 2026

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