Best AI Data Labeling Tools in 2026
Updated
In short: Label Studio is ranked #1 of 20 as of 2 October 2026, ahead of CVAT and Argilla. The best-ranked option with a free plan is CVAT. The lowest first paid tier on this page is CVAT at $1.92/mo.
20 AI data labeling tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | Supported modalities | |
|---|---|---|---|---|---|---|---|---|
| 1 | Label Studio | 8.9 | RecognisedAPIDocumented | $99/mo | Yes | — | — | View |
| 2 | CVAT | 8.9 | RecognisedAPIDocumented | $1.92/mo | Yes | — | — | View |
| 3 | Argilla | 8.6 | RecognisedAPIDocumented | Free | Yes | — | — | View |
| 4 | BasicAI | 8.5 | RecognisedAPIDocumented | $550/mo | Yes | — | — | View |
| 5 | Roboflow | 7.9 | RecognisedAPIDocumented | $39/mo | Yes | 79 /mo | — | View |
| 6 |  Alibaba Cloud PAI iTAG | 7.7 | RecognisedAPIDocumented | Free | Yes | — | image, text, video, audio, multimodal | View |
| 7 |  doccano | 7.3 | RecognisedAPIDocumented | Free | — | — | text, image, audio | View |
| 8 |  LabelU | 7.3 | RecognisedAPIDocumented | — | — | — | image, video, audio | View |
| 9 |  Prodigy | 6.9 | RecognisedAPIDocumented | — | No | — | — | View |
| 10 | Labelbox | 6.5 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 11 |  Supervisely | 6.3 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 12 | Dataloop | 6.2 | RecognisedAPIDocumented | — | — | — | — | View |
| 13 | V7 Darwin | 6.2 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 14 |  Intellisane Annotation Platform | 6.0 | RecognisedAPIDocumented | — | Yes | — | image, video, audio, text, 3D point clouds | View |
| 15 |  BRAT | 6.0 | RecognisedAPIDocumented | Free | — | — | text | View |
| 16 | Kili Technology | 5.9 | RecognisedAPIDocumented | — | No | — | — | View |
| 17 | Encord | 5.7 | RecognisedAPIDocumented | — | No | — | — | View |
| 18 | SuperAnnotate | 5.3 | RecognisedAPIDocumented | — | — | — | — | View |
| 19 |  VGG Image Annotator | 5.0 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 20 |  MoniSa DataOps | 4.8 | RecognisedAPIDocumented | — | — | — | text, image, audio, video | View |
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which AI data labeling tool is ranked first on Inferse?
Label Studio is ranked #1 of 20 with a score of 8.9. CVAT is second and Argilla third.
How many of these have a free plan?
7 of the 20 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 what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.