The modern data factory for AI teams building at the frontier. From reinforcement learning data to custom evaluations, we partner with over 80% of leading AI labs in the US.


The infrastructure behind breakthroughs
Four capabilities that power the world's most ambitious AI teams.
Data for reinforcement learning
The fuel for post-training at scale.
Knowledge work rubrics
Expert-crafted scoring criteria for coding, science, finance, and moreTuned environments
Complexity calibrated for optimal reward gradients and maximal learningHigh-halue domains
Multimodal, long-horizon tasks, scientific coding, and industry workflowsFrom reward signals to preference pairs, we deliver the data your models need to learn.
Explore RL dataEvals
Measure what matters.
Private AGI benchmarks
Custom assessments for frontier capabilities before public releaseArena evals
Head-to-head model comparisons with human preference judgmentsRubric-based multimodal
Structured scoring across text, vision, and reasoning tasksKnow exactly where your model stands—before your users do.
Build custom evalsRobotics
Data for embodied intelligence.
Full-stack data
Video, trajectories, and rich multimodal annotations in one packagePurpose-built hardware
Custom collection infrastructure for fastest time to marketAI-powered diversity
Data engine that ensures and steers broad task and environment coverageRobots that learn from real-world complexity start with real-world data.
Explore robotics dataAlignerr expert network
Elite human intelligence, on demand.
1M+ knowledge workers
Professionals across 40+ countries and 200+ domainsWorld's largest economies
Deep talent pools in the US, UK, Germany, Japan, India, and moreAdvanced credentials
50K+ PhDs, 200K+ Master's degrees, 85K+ licensed professionalsWhen your model needs to learn from the best, we bring the best.
Access AlignerrFueling advancements in academia
Labelbox is behind the scenes of advanced AI research, driving innovation showcased at leading conferences such as CVPR, NeurIPS, and more.