What is Prolific?
Prolific is a data collection platform that connects AI developers, researchers, and organizations with verified human participants. It supports tasks such as preference tuning, safety evaluations, academic studies, and market research through web-based access. Participants can sign up to take paid online studies on a flexible schedule.
What are the features of Prolific?
- Human feedback APIProgrammatic interface for collecting human input from representative populations to support preference tuning, safety evaluations, and benchmarks.
- Participant verificationScreens individuals before they join studies to provide researchers and developers with verified respondents.
- Agentic evaluations and benchmarksTools designed for testing and evaluating AI agent workflows.
- Audience targetingCapability to locate specific participant groups, including healthcare experts, coding experts, and voices from over 70 countries.
- Sample datasetsPre-existing data collections available for developers.
What are the use cases of Prolific?
- Ai2 used the platform to reduce human data collection timelines from weeks to hours while building multimodal AI models.
- Researchers at an Ivy League university gathered participant insights to study how people make choices related to climate change.
- The Collective Intelligence Project sourced perspectives from over 70 countries to inform AI governance decisions.
Prolific Pricing Information:
- Free signup: Participants can create an account at no cost to join paid online studies.
- Paid plans: Requesters must contact sales or start a study; specific pricing amounts are not stated in the source.







