Get high-quality human data to train the next generation of AI

Deliver first-rate human datasets and complete AI tasks in hours. Access fast, smart human feedback at scale – delivered by our exceptional-quality, vetted participant pool.
Trusted by over 3000 world-renowned organisations

Gather fast, high-quality feedback from balanced and bot-free pools

Create small, medium or large samples from our closely-managed pool. Get surveys, tasks and experiments completed honestly, accurately and almost instantly – by human testers who are ethically treated and properly paid.
Vetted 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.
Clear, bias-free categorisation
We ask all participants about beliefs and behaviours without incentive or bias so you can trust they are who they say they are.
Rich and reliable responses
Expect exceptionally detailed, accurate and honest ‘free-text’ responses from our engaged audiences.

See results in hours, not weeks

Onboard in 15 minutes and access 120,000 active and engaged  participants across 38 countries. Quickly scale your data collection and automate participant management through our API.


Active, vetted participants

15 mins

To set up and launch

2 hours

To complete set of tasks on average

Easily create bespoke and representative groups

Use our 300+ filters to create representative or custom demographic groups from our large, diverse pool. Then contact and re-target respondents whenever you want.
Source large, or small, samples by specific need
Quickly filter top-performing participants with stronger language comprehension and fluency or specific knowledge or skills.
Reduce bias with balanced and representative groups
Choose representative samples to distribute your survey across sex, age and ethnicity - within either the US or UK.
Train and re-target participants
Use paid studies to train participants and re-target the highest performers as often as you like.

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.
“Other companies quoted up to 1 month to receive results. Prolific’s data collection was completed in 1 hour.”
Gadi Mikles,
CPO at BioEye

Integrate custom tools and automate your workflows

Integrate your own data collection and annotation tools via API or by redirecting participants with a link. Then easily re-target participants or launch tasks that involve different kinds of media.
Integrate your custom tools
Integrate your own custom-built annotation tools or any third-party tool. All you need is a link to direct participants to.
Design tasks using different kinds of media
Design all kinds of individual or group tasks, using a variety of media, such as audio, video and games with simultaneous participation.
Automate at scale with our APIs
Our API lets you automate repetitive tasks - like approving submissions, messaging participants and paying bulk bonuses.

Works seamlessly with all your usual tools

Prolific AI Success Stories
We’ve helped world-leading AI researchers and companies to…
Speech AI
Improve AI translation services to be more natural and accurate.
Assess brain health through biomarkers such as eye-tracking.
Mental health
Ensure mental health apps are safe and able to deal with a variety of situations.
Security you
can trust
Security you can trust
Prolific has strict data privacy and confidentiality systems in place. We do not hold any study data, and all user data is held securely in a cloud container environment. Participants are fully anonymised.
Learn more


Service fee

Participants should keep 100% of their rewards, so we charge our platform fee on top. This fee is reduced for non-profit and academic institutions.

Audience filters

Our 250+ pre-set filters are free to use. Choose a representative sample for an additional cost.

Participant rewards

Everyone’s time is valuable, so the minimum reward allowed is £6.00/$8.00 per hour.

Try our cost calculator

Explore our audiences and set up a task or survey today.

Getting started is simple. With no contract or subscription – just a pay-as-you-go fee for each completed response.
Get started in 15 minutes.
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