Human datasets for AI, without the ops

We handle everything from expert recruitment to final datasets. Your first data delivery in as little as 2 weeks.

Trusted by leading names in AI

Stanford
Google
Ai2
Huggingface

What we specialize in

Training and alignment
Build AI that your users can rely on. We deliver RLHF, supervised fine-tuning, and domain-specific data to improve models and products.
Evaluation
Test performance in real-world scenarios. From benchmarks to bias detection, we ensure your AI delivers reliable results for your use case.

Access the experts you need - easily

Find people to give you training and evaluation feedback without the recruitment complexity.

With 200,000+ active participants and thousands of domain experts, we curate, source and train the right experts fit for your project.

Ship faster with reliable data

Our QA process includes multi-stage reviews, calibration with your team, and real-time monitoring.

Your dedicated team - a project manager, a quality lead, and in-house PhD experts - keeps everything on track while you focus on model development.

Build programs that evolve with your models

Stop starting from scratch with every project. Our pool management maintains engaged participants who understand your tasks and improve over time.

Scale up for major releases and down during planning phases. Your participant pools grow smarter as your models do.

How fast-moving AI teams use Prolific

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

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
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
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.
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Ready to accelerate your AI development?

Join leading frontier model developers in building better AI with our managed services.