Expert human feedback for better AI products

Get evaluation results in hours. Iterate faster, ship with confidence.

Trusted by leading names in AI

200,000+ human evaluators ready when you need them

When it takes weeks to find expert feedback, promising AI products falter. Get instant access to specialized evaluators and shorten your AI evaluation cycles from weeks to hours.

Content evaluation

Evaluate AI-generated content for factual accuracy, relevance, helpfulness, and more.

Translation quality

Validate multilingual AI performance with native speakers across languages.

Domain-specific evaluation

Validate specialized applications in finance, healthcare, legal, and technical domains.

Customer experience

Train sentiment analysis models and evaluate support responses for better customer interactions.

Search evaluation

Improve relevance and results ranking with feedback from diverse user groups.

Find the specific evaluators you need

Access 200,000+ verified participants across 300+ demographic filters.

Find specialized domain experts or AI annotation specialists.

Connect with multilingual participants for global applications.

FEATURES

Faster time-to-data, faster iteration

Create annotation tasks in minutes through our intuitive UI or API.

Get data in hours, not weeks.

Scale projects up or down instantly as your needs evolve.

FEATURES

Get actionable, high-quality feedback

Get thoughtful, in-depth evaluation from verified taskers.

Collect quality data from participants that have passed 50+ automated quality checks.

FEATURES

Data quality

How it works

AI Task Builder is for AI teams who need quality human feedback fast, without the complexity and delays that come with traditional solutions.

Watch demo

Simple data collection for AI in minutes

No setup cost or subscription

Talk to an expert

Upload

Upload your dataset in CSV format to create tasks. Or upload a folder with the files to create a batch of tasks.

Create tasks

Add instructions and create tasks to source different kinds of inputs like ratings, multiple choices, and conditional free-text responses.

Recruit

Find taskers using Prolific’s 300+ audience filters or your previously saved participant groups.

Download

Download your annotated data after participants have completed your tasks. See results in hours, not weeks.

How fast-moving AI teams use Prolific

Trusted by AI/ML developers, researchers, and leading organizations across industries.

Talk to an expert

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.

Text-to-image AI models

Prolific’s streamlined participant management process meant researchers could achieve a high level of engagement and satisfaction among participants. This was necessary for obtaining high-quality data.

Research the future of work

By offering a user-friendly platform, pre-verified participants, and advanced screening options, Prolific enabled Asana to immediately customize their target audience with extreme precision.

Simplify your data annotation tasks for AI

Accelerate your AI development with quality human feedback from specialized participants.

Talk to an expert