CVAT Online

What it does

• Image annotation
• Video annotation
• 3D point cloud annotation
• Audio annotation
• Automatic annotation
• Quality control and QA

Category

Training data and labeling

Users

Individuals, Small teams, Growing teams, Enterprises and 6 more

Public API

Not offered

Not yet disclosed: deployment options, platforms, languages and support channels.

Pricing

• Free plan$0

Prices as published by CVAT.ai Corporation, checked Oct 2026.

Security and compliance

As reported by CVAT.ai Corporation. Ask for audit reports before you buy.

• HIPAACompliant

• Encryption in transit and at rest
• Role-based access control
• SSO
• Access logging
• Audit trails
• On-premises deployment
• Air-gapped deployment

Reviews

• 

  Professional Domains

  by AfterQuery

  Draws on 100,000+ verified practitioners across medicine, law, finance, engineering, and more, capturing the tacit knowledge and real-world judgment that textbooks leave out.

• 

  StableBrowse

  by StableBrowse Inc.

  Hard-to-find real-world data for frontier training runs — sourced, labeled, and enriched with provenance.

• 

  Prolific Platform

  by Prolific

  Self-service platform connecting users with 300,000+ verified participants for study creation, data collection, demographic filtering, custom screening, and API/no-code integrat...

• 

  DuplexDataset

  by Aluna

  Whole genome sequencing data paired with clinical information and digitized pathology slides for comprehensive multi-modal analysis.

• 

  Traverse.so

  by Traverse

  A research lab platform that builds reinforcement learning environments and training data for frontier AI labs to help models develop taste, judgment, and long-horizon reasoning...

• 

  Centaur.ai

  by Centaur Labs

  Centaur.ai is a collective intelligence platform for data labeling and model evaluation that combines multiple independent expert and AI judgments to produce confidence-scored,...