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Labelbox

Data factory for AI teams and model training

Labelbox is a comprehensive data platform for AI teams handling reinforcement learning, evaluations, robotics, and human feedback workflows. Core capabilities include RL data generation with knowledge work rubrics, custom evaluations for private benchmarks and model comparisons, robotics data with full-stack video and trajectories, and an expert network of 1.5M+ knowledge workers including 50K+ PhDs. Trusted by 80% of leading AI labs for production data operations.

About Labelbox

Labelbox is a comprehensive data platform serving AI teams across reinforcement learning, model evaluations, robotics, and human feedback workflows. The platform core capability is generating high-quality training data through structured annotation workflows with knowledge work rubrics and tuned environments. Custom evaluations enable private benchmarks and head-to-head model comparisons giving teams actionable performance insights beyond public leaderboards.

The robotics data pipeline provides full-stack video and trajectory annotation with AI-powered diversity analysis ensuring training datasets cover the range of scenarios models will encounter in deployment. The Alignerr expert network connects organizations with over 1.5 million knowledge workers including 50,000+ PhDs for specialized annotation tasks requiring domain expertise. This combination of tooling and expert network addresses the entire data lifecycle from raw collection through quality-assured training sets.

Trusted by 80% of leading AI labs Labelbox has established itself as infrastructure for teams where data quality directly determines model quality. Advanced research capabilities include leaderboards for model benchmarking and published findings that advance the state of the art. For organizations investing in AI model development the platform provides the data foundation that determines whether models succeed or fail in production making it a critical dependency in the ML development lifecycle.

Pricing & Platform Specs

Pricing Summary

Labelbox offers a Free tier with 500 Labelbox Units (LBUs) per month, a Starter usage-based tier at $0.10 per LBU, and custom Enterprise annual commitments with volume discounts and dedicated enterprise security.

full pricing breakdown →

Supported Platforms

Data generation and evaluation platform for RL, evals, robotics, and expert networks

Explore categories, tags & use cases

Categories

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freemium

AI Lakehouse with Feature Store for real-time ML

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freemiumOpen Source

Side-by-Side Comparisons

Labelbox logo
Labelbox
vs
Label Studio logo
Label Studio

Labelbox vs Label Studio — Managed Data Factory vs Self-Hosted Labeling Control

Labelbox and Label Studio both support labeling and AI evaluation workflows, but they fit different buying motions. Labelbox is the managed enterprise platform when a team wants subscriptions, services, expert networks, model evaluation, and support. Label Studio is the stronger default for teams that want open-source flexibility, self-hosting, custom labeling interfaces, and tighter control over data movement before committing to an enterprise contract.

LabelboxLabel Studio

Community experience

Sources & verification

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Content verified

Verification dates are editorial checks. Routine CMS saves and automatic updatedAt timestamps do not advance them.

FAQ

What is Labelbox?

Labelbox is a comprehensive data platform for AI teams handling reinforcement learning, evaluations, robotics, and human feedback workflows. Core capabilities include RL data generation with knowledge work rubrics, custom evaluations for private benchmarks and model comparisons, robotics data with full-stack video and trajectories, and an expert network of 1.5M+ knowledge workers including 50K+ PhDs. Trusted by 80% of leading AI labs for production data operations.

Is Labelbox free?

Labelbox offers a free tier alongside paid plans. Labelbox offers a Free tier with 500 Labelbox Units (LBUs) per month, a Starter usage-based tier at $0.10 per LBU, and custom Enterprise annual commitments with volume discounts and dedicated enterprise security.

Is Labelbox still maintained?

Yes — Labelbox is active. Its listing was last verified on August 26, 2026.

What are the best Labelbox alternatives?

The first editor-selected Labelbox alternatives are Weights & Biases, Hopsworks.