High-quality human data for AI training, evaluation, and research
Compare AI products across 459 workflows using traffic estimates, features, and alternatives.

“AI evaluation”·567 results
Start overHigh-quality human data for AI training, evaluation, and research

Get paid to train the next generation of AI models

Crowdsourced arena where AI models compete and humans crown the best design output
Crowdsourced arena where AI models compete and humans crown the best design output

Hire tested AI trainers and data labelers for RLHF, evaluation, and annotation
Hire tested AI trainers and data labelers for RLHF, evaluation, and annotation

Free AI symptom checker developed by doctors

Human-validated training data and evaluation services for frontier AI models
The data, evaluations and systems behind AI that has to be right.
Measure how voice AI actually performs on real conversations

Evaluate, monitor, and govern your AI applications in production
Evaluate, monitor, and govern your AI applications in production

Build, simulate, evaluate and monitor self-improving AI agents
Build, simulate, evaluate and monitor self-improving AI agents

Agent observability, evaluation, and continuous improvement for production AI
Agent observability, evaluation, and continuous improvement for production AI

Standardize LLM evaluation, observability, and red teaming across your whole org
Standardize LLM evaluation, observability, and red teaming across your whole org
Enterprise AI training data, annotation and evaluation services

Expert human data and evaluation for training frontier AI

AI-evaluated small-group discussions that replace discussion boards
AI-evaluated small-group discussions that replace discussion boards

The AI education platform that turns classroom data into action
The AI education platform that turns classroom data into action

Label any data. Evaluate any AI.
Evaluate every frontier model against your own workflows
Evaluate every frontier model against your own workflows
AI answer evaluation and daily writing practice for UPSC and State PSC aspirants
AI answer evaluation and daily writing practice for UPSC and State PSC aspirants

AI language and skills assessments for hiring and education
AI language and skills assessments for hiring and education

AI-powered talent marketplace connecting experts with frontier AI work
AI-powered resume scoring, skill insights and interview feedback for data-driven career preparation
AI-powered resume scoring, skill insights and interview feedback for data-driven career preparation

Benchmark computer- and phone-use AI agents with blind head-to-head battles
Benchmark computer- and phone-use AI agents with blind head-to-head battles
AI English speaking practice with instant CEFR scoring and interview prep
AI English speaking practice with instant CEFR scoring and interview prep