FiftyOne vs Ultralytics Platform
| FiftyOne | Ultralytics Platform | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | $29/mo |
| Open source | No | No |
| Platforms | Web, Windows, macOS, Linux | api, self-hosted, Web |
| Annotation types | bounding boxes; polygons; segmentation masks; classifications; polylines; SAM2 click-to-segment instance segmentation | detection; instance segmentation; semantic segmentation; classification; pose estimation; oriented bounding boxes |
| Image formats | JPEG; PNG; BMP | JPEG; PNG; WebP; TIFF; HEIC; AVIF; BMP; JP2; DNG; MPO |
| Model-assisted labeling | Yes | Yes |
| Dataset export | COCO; image directory; image classification directory tree; FiftyOne dataset; Python/CLI export | Ultralytics NDJSON |
| Team collaboration | Yes | Yes |
| API access | Yes | Yes |
| Free plan | — | Yes |
| Paid from | — | 29 /user/mo |
Both are listed in Best Image Annotation Software. On Inferse, Ultralytics Platform scores higher on our published basis.