Generate high-quality, human-powered AI training data – at scale

Complete AI tasks in hours with rich, auditable, and safe human input at scale – delivered by our diverse, vetted participant pool.

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Trusted by over 3000 world-renowned organizations

Get fast human feedback from our responsive, diverse pool

Easily source samples of all sizes from our 150k+ active respondents. Get tasks completed honestly, accurately, and almost instantly – by human taskers who are well incentivized and fairly paid.

The Prolific participant pool

Verified and bot-free pools

All participants are verified with ID checks through Onfido so you know they are real and that no two respondents are the same.

Rich and reliable responses

Expect exceptionally detailed, accurate and honest ‘free-text’ responses from our engaged audiences.

Reduce bias using representative groups

Choose representative samples to distribute your survey across sex, age, and ethnicity - within either the US or UK.

Gather data in hours, not weeks.

Onboard in 15 minutes and access 150k active and engaged participants across 38+ countries. Integrate your own data collection and annotation tools via API or by redirecting taskers with a link.

150k

active, vetted participants

15 mins

to set up and launch

2 hours

to complete set of tasks on average

Use your own tools

Prolific integrates seamlessly with your favourite, or custom-built, tools.

Integrations marketplace

Easily find, train, and re-use high-performing taskers

Use our 300+ filters to create representative, custom, or niche demographic
groups from our large, diverse pool. Or use studies to screen or train taskers – then re-target the highest performers as often as you like.

How it works

Source and train samples

Quickly filter top-performing AI teachers with stronger language comprehension and fluency or specific knowledge or skills.

Set rules with filter-sets

Save specific sets of tasker filters that reflect the needs of your organisation or project. Then easily apply them again and again to new studies.

Save high-performing participant groups

Put your high-performing or especially trained participants into groups and re-target these across different tasks and teams.

Start now and see results in minutes

It’s fast and free to set up an account. Explore our participants and view  our transparent, response-based costs before committing to anything.

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Cost calculator

Trusted for 10 years by leading academics, researchers and organizations

Other companies quoted up to 1 month to receive results. Prolific’s data collection was completed in 1 hour.

Gadi Mikles, CPO at BioEye

Scale fast and automate with our API

Integrate your own data collection and annotation tools, and automate repetitive manual tasks using our API. Programmatically accept and reject submissions, pay rewards or message participants, and set up automated updates for key events using Webhooks.

Prolific API

Prolific AI Success Stories