COCO Annotator vs RectLabel
| COCO Annotator | RectLabel | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | api, Linux, self-hosted, Web, Windows | macOS |
| Free plan | Yes | No |
| Annotation types | bounding boxes, polygons, segmentation masks, keypoints, points | boxes, rotated boxes, polygons, cubic Bézier curves, lines, points, pixels, keypoints, image labels |
| AI-assisted labeling | Yes | — |
| Export formats | COCO JSON | — |
| API access | Yes | — |
| Deployment | self-hosted | — |
Both are listed in Best AI Image Annotation Tools. On Specifiction, COCO Annotator scores higher on our published basis.