Labelbox

Data engine for labeling, post-training, evaluation, robotics, and specialist AI

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PricingPaid
Starting price$0.10/LBU
Free planYes
Free trialYes
APIYes
Open sourceNo
DeploymentCloud
Last verifiedAugust 1, 2026
Overview

Tool overview

Labelbox is listed under AI Infrastructure & MLOps AI tools.

Summary

What is Labelbox?

Labelbox combines an enterprise data platform with expert workforces for labeling, RLHF, model evaluation, benchmarks, robotics data, and specialist-model training. Its current portfolio includes platform tools and managed data programs for frontier and enterprise AI.

Best fit

Best for

AI labs and enterprises producing, evaluating, and managing differentiated training data

Audience

Who is it for?

Frontier AI labsMachine learning teamsData labeling operationsRobotics teamsEnterprise AI developers
Recommendation

Decision note

Suitable for evaluation after confirming final commercial terms, permissions, data handling, lifecycle status, and edit-screen aliases. Keep Needs Review enabled until a human verifies the published profile.

Capabilities

Key features

Multimodal annotation and project management

Expert labeling services across many domains

RLHF, preference data, benchmarks, and model evaluation

Dataset catalog, search, curation, and model-assisted labeling

Python SDK and high-volume API operations

Enterprise security, roles, SSO, and managed services

Workflows

Use cases

Producing labeled training datasets

Running LLM preference and evaluation projects

Managing computer-vision annotation programs

Creating robotics and physical-AI datasets

Training enterprise specialist models

Strengths

Pros

  • Combines platform software with expert services
  • Permanent free tier provides monthly Labelbox Units
  • Supports high-volume API and SDK workflows
  • Covers frontier and enterprise post-training needs
Considerations

Limitations

Human and model-assisted labels can contain errors or bias. Teams should validate sampling, instructions, worker quality, privacy, LBU estimates, model-assisted predictions, and downstream training effects.

Cost

Pricing details

Pricing modelPaid
Starting price$0.10/LBU
Free planYes
Free trialYes
Pricing context

Billing options

Free monthly LBU allowanceUsage-based Starter planCustom Enterprise contractSeparately billed services
Pricing context

Pricing note

The Free subscription includes 500 LBUs each month. Starter uses a fixed rate of $0.10 per LBU, while Enterprise and managed labeling services use custom terms. Foundry inference, labeling services, SSO, and HIPAA support can add separate charges.

View official pricing
Compatibility

Supported languages

  • English
Connectivity

Integrations

Amazon S3

Google Cloud Storage

Azure Blob Storage

Snowflake

Python SDK

REST API

Specs

Technical details

PlatformsWeb, API
Multilingual supportUnknown
Login requiredYes
Open sourceNo
DeploymentCloud
CompanyLabelbox, Inc.
Launch year2018
Models / versionsAnnotate Catalog Foundry Horizon Terra Alignerr Recursion
Editions / plansFree, Basic, Professional, Organization, and Custom plans
Data confidenceHigh
Last verifiedAugust 1, 2026
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Answers

Frequently asked questions

Labelbox combines an enterprise data platform with expert workforces for labeling, RLHF, model evaluation, benchmarks, robotics data, and specialist-model training. Its current portfolio includes platform tools and managed data programs for frontier and enterprise AI.
AI labs and enterprises producing, evaluating, and managing differentiated training data
The listed pricing model for Labelbox is Paid. Pricing can change, so users should verify the latest plan details on the official website.
Yes. The current profile indicates that a free trial is available.
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