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The data factory for AI teams

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.

Trusted by companies of all sizes — from startups to Fortune 500s
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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.

01

Knowledge work rubrics

Expert-crafted scoring criteria for coding, science, finance, and more
02

Tuned environments

Complexity calibrated for optimal reward gradients and maximal learning
03

High-halue domains

Multimodal, long-horizon tasks, scientific coding, and industry workflows

From reward signals to preference pairs, we deliver the data your models need to learn.

Explore RL data

Evals

Measure what matters.

01

Private AGI benchmarks

Custom assessments for frontier capabilities before public release
02

Arena evals

Head-to-head model comparisons with human preference judgments
03

Rubric-based multimodal

Structured scoring across text, vision, and reasoning tasks

Know exactly where your model stands—before your users do.

Build custom evals

Robotics

Data for embodied intelligence.

01

Full-stack data

Video, trajectories, and rich multimodal annotations in one package
02

Purpose-built hardware

Custom collection infrastructure for fastest time to market
03

AI-powered diversity

Data engine that ensures and steers broad task and environment coverage

Robots that learn from real-world complexity start with real-world data.

Explore robotics data

Alignerr expert network

Elite human intelligence, on demand.

01

1M+ knowledge workers

Professionals across 40+ countries and 200+ domains
02

World's largest economies

Deep talent pools in the US, UK, Germany, Japan, India, and more
03

Advanced credentials

50K+ PhDs, 200K+ Master's degrees, 85K+ licensed professionals

When your model needs to learn from the best, we bring the best.

Access Alignerr

Fueling advancements in academia

Labelbox is behind the scenes of advanced AI research, driving innovation showcased at leading conferences such as CVPR, NeurIPS, and more.

Annotated Datasets for Trajectories’ Prediction: A Research Agenda
Claudia Greco, Giovanni Di Gennaro, Marialucia Cuciniello, Terry Amorese, Maria Santina Ler, Gennaro Cordasco, Amedeo Buonanno, Francesco A. N. Palmieri & Anna Esposito 
A Benchmark for Long-Form Medical Question Answering
Pedram Hosseini, Bing Ren, Ali Farahanchi, Jessica M. Sin, Bryceton G. Thomas, Saeed Hassanpour, Elnaz Nouri
TRINS: Towards Multimodal Language Models that Can Read
Ruiyi Zhang, Yanzhe Zhang, Jian Chen, Yufan Zhou, Jiuxiang Gu, Changyou Chen, Tong Sun