



We’ve trained >80% of world’s leading AI foundation models
A network of 22M+ experts across 800 domains and 95+ languages
Access to innovative off-the-shelf data and custom datasets through industry-leading data partnerships
Reusable tooling & research methods to accelerate model training and evaluations
Environments where models learn by doing — trial, feedback, iteration. Rewards are graded by expert-designed rubrics and verifiers
Datasets and environments that teach agents to plan, reason, and follow through across multi-step tasks including when to reach for a tool, how to use it, and how to recover when it fails
Rigorous custom evaluations to identify and remedy model weaknesses in safety, quality, and accuracy across domains
Validated, production-ready datasets for the frontier-building capabilities and domains
Datasets across text, image, audio, and video so models can reason across modalities
Datasets across 95+ languages with dialect and cultural nuances to align with local norms across global regions
Expert-written demonstrations and prompt-response pairs that build strong model fundamentals
Thousands of expert comparisons that teach models what good judgment sounds like in tone, accuracy, and domain standards

Developers, architects, and AI engineers who've shipped production code across languages
Mechanical, electrical, civil, and aerospace engineers
Native speakers and trained linguistics, covering 110+ languages and dialects
PhDs and researchers in chemistry, physics, and biology
Licensed physicians, nurses, and clinical specialists with years of clinical experience
CFAs, accountants, actuaries, and investment bankers
Experienced lawyers, consultants, and managers with decades of experience
Writers, designers, and musicians with published or produced work