Get expert-verified data from real professionals in healthcare, STEM, coding, and more. Data annotation, model evaluation, RLHF, and AI safety testing—all in one platform.
Start Building AI
From project scoping to quality data—fast, reliable, scalable
Tell us what you're building. Our AI helps scope your data annotation, evaluation, or training needs and ensures you get matched with the right experts.

Set up annotation guidelines, evaluation criteria, or RLHF parameters. Our platform handles task distribution and quality control.

From expert vetting and background checks to interviews, contracts, and full project lifecycle management—we take care of it all so you can focus on building.

Receive expert-verified data with built-in quality assurance. Pay only for work that meets your standards.

Quality, speed, and expertise—built for AI development
All experts are credential-verified. Real professionals with domain expertise.
Get matched and start collecting data within hours, not weeks.
Built-in quality control. Pay only for work that meets your standards.
Inter-annotator agreement tracking, expert review, and quality metrics.
Annotation guidelines, evaluation rubrics, and QA reports included.
From 100 to 100,000 annotations. Scale your team instantly.
AI Taskers for data work, Domain Experts for specialized feedback













Get high-quality data from vetted domain experts. Launch your first project in hours.
Start Building AIFree to start • Launch in hours • Pay for quality