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Beyond Vision: CVAT Goes Multimodal and Introduces Audio Annotation. Learn more

CVAT

CVAT is how ML teams ship real-world AI.

The open-source annotation platform thousands of teams already run, now built for enterprise scale and security.

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Trusted by ML teams worldwide

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  • FERNRIDE
  • TB Maestro
  • MiR
  • EPAM
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  • Purdue University
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key features

Annotate, automate, and review in one platform.

Every modality, every annotation type, from first label to production pipeline.

01

Multimodal workspace

Label images, video, 3D point clouds, and audio in one place, with quality controls built in.

Explore annotation & labeling
app.cvat.ai/

Quality control for Task #42

Completed requirements

3 of 5

0.0%

RequirementTarget metricScoreActions
PedestriansRecall92.3%
Occluded pedestriansRecall33.3%
CarsPrecision84.2%
Traffic lightsAccuracy100.0%
Traffic light stateAccuracy45.5%
02

AI-assisted labeling

Cut labeling time by up to 80%. Pre-label with SAM, YOLO, Hugging Face, or your own models, then let your team verify.

Explore AI automation

AI Tools

InteractorsDetectorsTrackers

Label

solar_panel

Interactor

Segment Anything 2.0

Convert masks to polygons

Start with a bounding box

Interact
03

Programmable pipelines

Automate task creation, sync cloud storage, and stream verified data into training, all via Python SDK and REST API.

Explore Python SDK & API
>>> client = make_client("app.cvat.ai", credentials=(user, password))
>>> dataset = TaskVisionDataset(client, task_id=4217)
>>> loader = DataLoader(dataset, batch_size=32)
[INFO] Ingesting 12,480 cloud frames... OK
[INFO] Validating annotation lineage... OK
[INFO] Streaming verified data to live training loop...
[SUCCESS] Pipeline green. Model actively optimizing.
04

On-demand annotators

Add vetted annotators to your own CVAT instance for heavy labeling sprints, with no hiring.

Explore Annotation Services
Job #155Assignee: Unassigned
Job #156Assignee: Unassigned

Built for enterprise scale and security

Deploy where your data lives, with the controls your security team requires.

Trusted by teams shipping real-world AI

4.5/5
All customer stories
FERNRIDE autonomous yard truck towing a shipping container past stacked containers
FERNRIDE

Sharper motion tracking and scene understanding for safer autonomous trucks.

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faster labeling workflows
30%
annotation accuracy
Higher
FERNRIDE

Ship your next model on data you control.

Start with the open-source core, or talk to us about running CVAT at enterprise scale.