Train AI models with multimodal data from real people

Get high-quality text, voice, image, video, or interaction-driven data from our diverse and vetted taskers.

Trusted by leading names in AI

Stanford
Google
Ai2
Huggingface
Data generation
Work with real people to generate data tailored to your AI project.
Annotation and labeling
Transform raw data into valuable training datasets with precise and reliable annotations.
Prevalence measurement
Measure the occurrence and distribution of specific phenomena to inform and enhance your AI models.

Collect the data you need

Collect and annotate all forms of data—text, images, audio, 
video, or generate interaction-driven data.

Integrate your own tools with Prolific’s no-code and API
integrations.

Whether you're working on natural language processing, 
voice AI, or large language models, we've got you covered.

Scale your annotation projects, quickly

Reach time-to-data in hours, not weeks.

Complete projects of all sizes with over 200,000+ 
active taskers.

Work with participants who have the expertise
required for your specific annotation tasks.

Unmatched data quality

Access taskers who are carefully curated with onboarding and quality monitoring processes.

With full visibility into tasker expertise, you'll always have the perfect match for your AI tasks.

No setup cost or subscription

Sign up and start collecting data in minutes

Sign up and link your tool
Get started for free. Create a study in minutes. Seamlessly integrate your data collection tool.
Find your taskers
Find the ideal taskers for your study using 300+ filters, including those proficient in AI tasks.
Add funds
Add funds to your workspace using a credit/debit card or a bank transfer.
Publish and see results
Publish your task and start gathering data in minutes.
Features

Scale data annotation projects of any size with Prolific

Key platform features that help you find skilled data annotation projects efficiently

Multiple annotation types
Support for text, images, audio, or video. Annotate data or generate interaction-driven data.
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Audience filters
Find the right audience using 300+ audience filters, representative or custom samples, or set up a custom screening survey.
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Participant groups
Work repeatedly with your best-performing taskers by saving participant groups to reuse across projects.
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Transparent pricing
Flat platform fee on top of participant fees that are paid directly to the annotators.
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Seamless integration options
Use our UI or API depending on your needs and project size.
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Support
Engage with our in-house experts to tailor our solutions to your needs.
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Don’t learn new tools. Use the ones you know.

Prolific works seamlessly with all your usual toolsjust add a link or integrate via our API.

View all integrations
Trusted by researchers, AI/ML developers, and leading organizations across industries

How fast-moving AI teams use Prolific

Data labeling
High-skilled annotators
Shovels used Prolific to find high-skilled, specialist participants to label building permits. These labels form the basis of quality datasets that become a baseline for the accuracy of their AI model.
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Shovels
Datasets
Text-to-image AI models
Prolific’s streamlined participant management process meant the researchers could achieve a high level of engagement and satisfaction among participants. This was necessary for obtaining high-quality data.
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Carnegie Mellon University
Market research
Research the future of work
By offering a user-friendly platform, pre-vetted participants, and advanced screening options, Prolific enabled Asana to immediately customize their target audience with extreme precision.
Read more

Get quality human data for your AI now

Sign up and gather data to train, evaluate, and monitor your AI models.