CVAT vs FiftyOne

CVAT8.9Visit FiftyOne8.6Visit

Higher score CVAT #2 in Image Annotation Software 8.9/10 Free plan Free plan✓ 3 of 3 features Visit CVAT

vs

FiftyOne #5 in Image Annotation Software 8.6/10 Open source ✓ 3 of 3 features Visit FiftyOne

• CVAT fits best

  Open-source teams needing a complete CV workflow

• FiftyOne fits best

  ML teams combining annotation and model evaluation

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Side by side

Feature	CVAT 8.9/10 Visit ↗	FiftyOne 8.6/10 Visit ↗
At a glance
Editor score	8.9	8.6
Ranking	#2 in Image Annotation Software	#5 in Image Annotation Software
Best for	Open-source teams needing a complete CV workflow	ML teams combining annotation and model evaluation
Pricing model	Free plan + paid	Free
Starting price	$23/mo	Free
Free plan	✓ (best)	Not checked yet
Free trial	—	—
Deployment	Cloud, Self-hosted	Cloud, Self-hosted
Platforms	Web	Web, Windows, macOS, Linux
Support	Community, Docs	Email, Community, Docs
Compliance	GDPR, SSO/SAML	ISO 27001, SSO/SAML
Integrations	5 integrations	20 integrations
Built for	Solo, Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features CVAT 3/3 · FiftyOne 3/3
Model-assisted labeling	✓	✓
Team collaboration	✓	✓
API access	✓	✓
Specs
Annotation types	Rectangle/bounding box, polygon, polyline, points, ellipse, cuboid, skeleton, tag, brush/mask	bounding boxes; polygons; segmentation masks; classifications; polylines; SAM2 click-to-segment instance segmentation
Image formats	JPEG, PNG, BMP, GIF, PPM, TIFF	JPEG; PNG; BMP
Dataset export	CVAT XML, Datumaro JSON, COCO JSON, YOLO, Pascal VOC, Cityscapes, KITTI, Open Images, MOT, and others	COCO; image directory; image classification directory tree; FiftyOne dataset; Python/CLI export
Our review
Pros	Supports image, video, and 3D annotation with many annotation types Offers AI-assisted workflows, REST API, Python SDK, and CLI Exports to major computer-vision formats and connects to cloud storage	Supports boxes, polygons, masks, classifications, polylines, and SAM2 annotation Combines annotation, review workflows, dataset curation, and model evaluation Offers APIs, self-hosting, exports, and integrations across data systems
Cons	Free plan supports only 1–2 members Solo plans are limited to a personal workspace Enterprise deployment starts at $12,000 per year	Enterprise capabilities are organized around contact-sales plans The broad feature set may exceed the needs of simple annotation projects Governed collaborative deployments require the Enterprise offering
Our verdict	CVAT is a visual data annotation platform for creating training datasets from images, video, and 3D data. It is aimed at computer vision and AI teams that need manual labeling, AI-assisted detection, segmentation or tracking, dataset… Read the review →	FiftyOne is an image and multimodal data platform from Voxel51 for computer-vision and machine-learning teams. It combines annotation, dataset curation, model evaluation, review workflows, and dataset export in one environment. Annotation… Read the review →

Strengths and trade-offs

• CVAT — where it wins

  • Supports image, video, and 3D annotation with many annotation types
  • Offers AI-assisted workflows, REST API, Python SDK, and CLI
  • Exports to major computer-vision formats and connects to cloud storage

  Where it doesn't

  • Free plan supports only 1–2 members
  • Solo plans are limited to a personal workspace
  • Enterprise deployment starts at $12,000 per year

• FiftyOne — where it wins

  • Supports boxes, polygons, masks, classifications, polylines, and SAM2 annotation
  • Combines annotation, review workflows, dataset curation, and model evaluation
  • Offers APIs, self-hosting, exports, and integrations across data systems

  Where it doesn't

  • Enterprise capabilities are organized around contact-sales plans
  • The broad feature set may exceed the needs of simple annotation projects
  • Governed collaborative deployments require the Enterprise offering

• CVAT8.9/10 · Free plan

  A broad CV workflow spanning manual, AI-assisted, collaborative, and programmatic annotation.

  Visit CVATFull verdict →
• FiftyOne8.6/10 · Open source

  A broad open-source platform for annotation, dataset curation, and model evaluation.

  Visit FiftyOneFull verdict →