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FiftyOne

Input—per 1M tokens
Output—per 1M tokens
Context—tokens
WeightsClosed

About

FiftyOne is ranked #20 of 28 in image annotation software on Inferse. It runs on Web, Windows, macOS, Linux.

Compared on image annotation software

Annotation types
bounding boxes; polygons; segmentation masks; classifications; polylines; SAM2 click-to-segment instance segmentationvoxel51.com
Image formats
JPEG; PNG; BMPvoxel51.com
Model-assisted labeling
Yesvoxel51.com
Dataset export
COCO; image directory; image classification directory tree; FiftyOne dataset; Python/CLI exportvoxel51.com
Team collaboration
Yesvoxel51.com
API access
Yesvoxel51.com

Company

Founded
2018voxel51.com · 28 Sept 2026

Best FiftyOne alternatives

See all 12
7.4 CVAT $1.92/mo first paid tier Free plan 7.4 Pixano See plans price on the maker's page 7.3 BasicAI $550/mo first paid tier 7.3 Label Studio $99/mo first paid tier Free plan 7.3 Labelbox See plans price on the maker's page 7.3 Roboflow $39/mo first paid tier Free plan

Where it ranks on Inferse

Sources