CVAT
Claim this toolThe industry-leading open data annotation platform for machine learning.
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19 reviews trackedThe Bottom Line
Entry price
Free plan available, paid tiers above
Biggest pro
Accelerates data annotation up to 10x with AI tools.
Biggest con
Free plan has significant limitations on project, task, and storage capacity.
TL;DR - CVAT
- Open-source data annotation platform for images, videos, and 3D.
- Accelerates annotation with AI-powered auto-annotation and algorithmic assistance.
- Offers flexible deployment (online/enterprise) and robust data management for teams of all sizes.
Pricing: Free plan available
Best for: Growing teams
4.6/5 across review platforms
What is CVAT?
CVAT is an open-source data annotation platform designed for machine learning applications, supporting images, videos, and 3D data. It provides a comprehensive suite of annotation tools, including bounding boxes, polygons, points, skeletons, cuboids, and trajectories, to accurately label datasets for computer vision models. The platform integrates AI-powered auto-annotation capabilities and algorithmic assistance, such as intelligent scissors and histogram equalization, to significantly speed up the annotation process.
CVAT caters to solo labelers, small teams, and large enterprises, offering flexible deployment options including cloud-based online services and self-hosted enterprise solutions. It features robust data management with cloud storage integration (AWS S3, Google Cloud Storage, Azure Blob Storage), API access for workflow automation, and advanced quality control mechanisms like manual review, ground truth jobs, and honey pots. For enterprise users, CVAT provides enhanced security features like SSO, role-based access controls, and audit logs, along with dedicated support and customization options, making it suitable for organizations prioritizing security, compliance, and control over their data.
Available on: Web
Pros & Cons
Pros
- Accelerates data annotation up to 10x with AI tools.
- Supports a wide range of data types (images, videos, 3D) and annotation tools.
- Offers flexible deployment options including free community version, online plans, and self-hosted enterprise solutions.
- Provides robust quality control and analytics for managing annotation projects.
- Integrates with popular cloud storage providers and AI model hubs.
Cons
- Free plan has significant limitations on project, task, and storage capacity.
- Enterprise features like advanced security and customization come at a high annual cost.
- Some advanced features like SSO and audit logs are only available for annual or enterprise plans.
Ratings Across the Web
4.6(19 reviews)
Ratings aggregated from independent review platforms. Learn more
Preview
Key Features
Auto-Annotation with integrated AI modelsSupport for various annotation tools: bounding boxes, polygons, points, skeletons, cuboids, trajectoriesCloud storage integration (AWS S3, Google Cloud Storage, Azure Blob Storage)Algorithmic assistance (intelligent scissors, histogram equalization)Management and analytics for annotator performanceAPI Access for programmatic integrationData export (annotations only, or annotations + images)Quality control features: Manual review, Ground truth job, Honey pot
Pricing Plans
Pricing checked Jul 6, 2026
Free
Free
- 1-2 members
- 1 project limit
- 3 tasks limit
- 1 GB internal storage
- 1 cloud storage limit
- Annotations only data export
- 1 webhook limit
- 100/month internal AI agent calls
Solo Monthly
$33 / month
- Unlimited plan for personal workspace only
- 10 project limits
- 250 tasks limit
- 25 GB internal storage
- 3 cloud storage limit
- Annotations + images data export
- 10 webhook limit
- 10,000/month internal AI agent calls
Solo Yearly
$23 / month
- Unlimited plan for personal workspace only
- 10 project limits
- 250 tasks limit
- 25 GB internal storage
- 3 cloud storage limit
- Annotations + images data export
- 10 webhook limit
- 10,000/month internal AI agent calls
Team Monthly (Small team)
$66 / month
- 2-7 members
- 30 project limits
- 750 tasks limit
- 75 GB internal storage
- 9 cloud storage limit
- Annotations & images data export
- 30 webhook limit
- 30,000/month internal AI agent calls
Team Yearly (Small team)
$46 / month
- 2-7 members
- 30 project limits
- 750 tasks limit
- 75 GB internal storage
- 9 cloud storage limit
- Annotations & images data export
- 30 webhook limit
- 30,000/month internal AI agent calls
Team Monthly (Regular team)
$33 / per user
- 8-25 members
- 50 project limits
- 1250 tasks limit
- 125 GB internal storage
- 15 cloud storage limit
- Annotations & images data export
- 50 webhook limit
- 50,000/month internal AI agent calls
Team Yearly (Regular team)
$23 / per user
- 8-25 members
- 50 project limits
- 1250 tasks limit
- 125 GB internal storage
- 15 cloud storage limit
- Annotations & images data export
- 50 webhook limit
- 50,000/month internal AI agent calls
Team Monthly (Large team)
$33 / per user
- 25-50 members
- 100 project limits
- 2500 tasks limit
- 250 GB internal storage
- 30 cloud storage limit
- Annotations & images data export
- 100 webhook limit
- 100,000/month internal AI agent calls
Team Yearly (Large team)
$23 / per user
- 25-50 members
- 100 project limits
- 2500 tasks limit
- 250 GB internal storage
- 30 cloud storage limit
- Annotations & images data export
- 100 webhook limit
- 100,000/month internal AI agent calls
CVAT for Enterprises
Starting at $12,000 per year
- Host CVAT securely within your own infrastructure
- Suitable for teams of all sizes
- Enhanced security, compliance, and control over data
Reviews
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4.6/5
Across 19 verified user reviews on G2
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CVAT FAQ
How does CVAT accelerate data annotation for machine learning projects?
CVAT accelerates data annotation by up to 10 times through its AI-powered auto-annotation capabilities and algorithmic assistance. It includes tools like intelligent scissors and histogram equalization to speed up the labeling process for images, videos, and 3D data.
Which teams benefit most from using CVAT?
CVAT is suitable for solo labelers, small teams, and large enterprises that require robust data annotation for machine learning. Its flexible deployment options and advanced features cater to organizations prioritizing security, compliance, and control over their data.
How is CVAT priced?
CVAT is available on a free tier, with paid plans offering increased usage and additional features. Enterprise features like advanced security and customization are provided through annual or enterprise plans.
Can CVAT integrate with existing cloud storage solutions?
Yes, CVAT integrates with popular cloud storage providers such as AWS S3, Google Cloud Storage, and Azure Blob Storage. This allows for robust data management within the platform.
What kind of quality control mechanisms does CVAT offer for annotation projects?
CVAT provides advanced quality control mechanisms including manual review, ground truth jobs, and honey pots. These features help ensure the accuracy and reliability of annotated datasets.
How does CVAT compare to Roboflow for data annotation?
CVAT is an open-source data annotation platform that supports a wide range of data types and offers flexible deployment options including self-hosting. It focuses on comprehensive annotation tools and AI-powered assistance for machine learning applications.
What are the main trade-offs when choosing CVAT's free plan?
The free plan of CVAT has significant limitations on project, task, and storage capacity. Advanced features like SSO, audit logs, and dedicated support are only available with paid annual or enterprise plans.
Source: cvat.ai