Best AI Image Annotation Tools in 2026
Updated
In short: Label Studio is ranked #1 of 24 as of 5 October 2026, ahead of Amazon SageMaker Autopilot and Supervisely. The best-ranked option with a free plan is Supervisely. The lowest first paid tier on this page is CVAT at $1.92/mo.
Preparing image data for computer vision starts with choosing how labels are created, checked, and moved into the rest of your workflow. Compared on AI-assisted labeling and annotation types, these tools also differ in review workflow, export formats, API access, and deployment. Free plans and paid-from pricing add useful cost context as you evaluate the options. Label Studio, Amazon SageMaker Autopilot, and Supervisely are among the products to consider, with CVAT and Roboflow also included. Think through the kinds of annotations you need, who will review them, and which export or access options fit how your team handles labeled images.
24 AI image annotation tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
24ranked
6free plans on this page
$1.92/molowest paid tier
5 Oct 2026last checked
AI Image Annotation Tools, ranked on how quickly a newcomer can get going. 8 of the 24 on this page can be tried for free.
- 1 Label StudioPaid from $99/mo
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 2 Amazon SageMaker Autopilot
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: not on record
- 3 SuperviselyPaid from €199/mo
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: not on record
- 4 COCO AnnotatorFree plan
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
- 5 CVATPaid from $1.92/mo
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 6 RoboflowPaid from $39/mo
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
- 7 Prodigy
- Free to practise on: not on record
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 8 YoloLabel
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
- 9 Labelbox
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 10 Pixano
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
- 11 V7 Darwin
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 12 BasicAIPaid from $550/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 13 LabelMe
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 14 MakeSense.aiFree plan
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: yes
- 15 Scale Rapid
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 16 Dataloop
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 17 Guanex AI Annotation Platform
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 18 SuperAnnotate
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 19 VGG Image Annotator
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 20 Kili Technology
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 21 RectLabel
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 22 Segments.ai
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 23 Encord
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 24 Keylabs
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
Compare all 24 in a table
| # | Platform | Score | Free plan | From | Free plan | Paid from | Annotation types | AI-assisted labeling |
|---|---|---|---|---|---|---|---|---|
| 1 | Label Studio | 7.9 | Free plan | $99/mo | Yes | — | rectangles, ellipses, keypoints, polygons, brush masks, image classification | — |
| 2 | Amazon SageMaker Autopilot | 7.6 | No | — | No | — | — | — |
| 3 | Supervisely | 7.6 | Free plan | €199/mo | Yes | — | rectangle, line/polyline, polygon, multipolygon, point, bitmap mask, graph/keypoints, alpha mask, 2D cuboid | — |
| 4 | COCO Annotator | 7.2 | Free plan | Free | Yes | — | bounding boxes, polygons, segmentation masks, keypoints, points | Yes |
| 5 | CVAT | 7.2 | Free plan | $1.92/mo | Yes | 23 /user/mo | Rectangle/bounding box, polygon, polyline, points, ellipse, cuboid, skeleton, tag, brush/mask | — |
| 6 | Roboflow | 7.2 | Free plan | $39/mo | Yes | — | bounding boxes, polygons, segmentation masks, classification labels, keypoints | — |
| 7 | Prodigy | 7.0 | No | — | No | — | bounding boxes, polygons, image segments, image classification | Yes |
| 8 | YoloLabel | 6.7 | No | — | Yes | — | bounding boxes | Yes |
| 9 | Labelbox | 6.5 | No | — | Yes | — | bounding boxes, segmentation masks, image classification, radio classification | — |
| 10 | Pixano | 6.5 | No | — | Yes | — | bounding boxes, polygons, pixel masks, keypoints, cuboids, classification, tracking | — |
| 11 | V7 Darwin | 6.4 | No | — | Yes | — | Polygon; bounding box; tag; skeleton; keypoint; line; ellipse; mask; attributes; text; directional vector; instance ID | — |
| 12 | BasicAI | 6.3 | No | $550/mo | Yes | 9 /user/mo | object detection, object tracking, bounding boxes, polygons, polylines, keypoints, classification, semantic segmentation, instance segmentation, panorama segmentation | — |
| 13 | LabelMe | 6.0 | No | — | Yes | — | polygon, scribble, mask | No |
| 14 | MakeSense.ai | 5.9 | Free plan | Free | Yes | — | point, line, rectangle, polygon, label | — |
| 15 | Scale Rapid | 5.8 | No | — | — | — | bounding box, polygon, line, cuboid, ellipse, point | — |
| 16 | Dataloop | 5.7 | No | — | — | — | bounding boxes, polygons, key points, cuboids, polylines, semantic segmentation, classification, tagging, hierarchical annotation | — |
| 17 | Guanex AI Annotation Platform | 5.7 | No | — | — | — | classification, object detection, segmentation, multi-object tracking | Yes |
| 18 | SuperAnnotate | 5.7 | No | — | — | — | classification, key-point, bounding box, polygon, polyline, tiled imagery, cuboid, skeleton | — |
| 19 | VGG Image Annotator | 5.5 | No | — | Yes | — | rectangle, circle, ellipse, point, polygon, polyline | — |
| 20 | Kili Technology | 5.4 | No | — | No | — | bounding boxes, polygons, semantic segmentation, pose estimation, named entity recognition, classification | — |
| 21 | RectLabel | 5.4 | No | — | No | — | boxes, rotated boxes, polygons, cubic Bézier curves, lines, points, pixels, keypoints, image labels | — |
| 22 | Segments.ai | 5.4 | No | — | No | — | segmentation, bounding box, polygon, polyline, keypoint, cuboid | — |
| 23 | Encord | 5.3 | No | — | No | — | bounding boxes, rotatable bounding boxes, polygons, bitmasks, polylines, keypoints, primitives, classifications | — |
| 24 | Keylabs | 5.3 | No | — | No | — | Bounding box, polygon, polylines, keypoints, semantic segmentation, instance segmentation, rotating bounding box, skeletal, cuboid, mesh, 3D point cloud, bitmask, custom annotation | — |
Is your platform on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.
Questions about this list
Which AI image annotation tool is ranked first on The Geeks Club?
Label Studio is ranked #1 of 24 with a score of 7.9. Amazon SageMaker Autopilot is second and Supervisely third.
How many of these have a free plan?
6 of the 24 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, CVAT has the lowest first paid tier we found: $1.92/mo.
How is this list ranked?
Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.