18.3
Roboflow is an end-to-end platform for building, deploying and monitoring computer vision applications.
Free planAndroidiOSWeb
Best AI Image Annotation Tools in 2026
Preparing labeled images for a project means considering the annotation work as well as how it is reviewed and used. Compare annotation types and AI-assisted labeling, then look at review workflow, export formats, and API access. Deployment options can help clarify fit with your setup. Free-plan availability and paid-from pricing provide cost details alongside these capabilities. Label Studio, COCO Annotator, and…
28.2
Label Studio is an open-source data labeling platform for text, images, audio, video, time series, and multimodal data.
Free planOpen sourceWebAPILinux
37.7
VGG Image Annotator (VIA) is a suite of lightweight tools for manually labeling images, audio and video.
Free planOpen sourceWebLinuxmacOS
- 4
MakeSense.ai
MakeSense.ai is a browser-based tool for labeling photos and preparing datasets for computer vision projects.
Free planOpen sourceWebLinuxmacOSSelf-hosted7.6Free plan - 5
COCO Annotator
COCO Annotator is a web-based tool for preparing image datasets used in image localization and object detection.
Free planOpen sourceWebAPILinuxSelf-hosted7.4Free plan - 6
Prodigy
Prodigy is a developer tool and Python library for building training and evaluation data for machine learning models.
WebAPILinuxmacOS7.0$390 one-time - 7
Segments.ai
Segments.ai is a multi-sensor data labeling platform for robotics and autonomous vehicle teams, available through web and API access.
Free planWebAPI7.0Free plan - 8
CVAT
CVAT is a platform for turning images, video, 3D data, and audio into labeled datasets for AI workflows.
Free planWebAPISelf-hosted6.9Free plan - 9
Supervisely
Supervisely is a computer-vision platform for organizing data, labeling images, video, LiDAR, and medical imagery, and developing models for production.
Free planWebAPISelf-hosted6.9From €199 a month - 106.4$1 one-time
- 11
Pixano
Pixano is an open-source tool for exploring and annotating computer vision datasets, including collections with text, images, and videos.
WebAPILinuxmacOS6.2 - 12
RectLabel
RectLabel is an offline macOS application for annotating images used in object detection and segmentation.
macOS6.2From $299 a month - 13
BasicAI
BasicAI is a multimodal annotation platform, with managed services, for preparing AI training data.
WebAPISelf-hosted6.0From $6,600 a year - 14
Dataloop
Dataloop is a web-based platform for annotating image datasets, with model-assisted labeling and collaboration for teams.
WebAPILinuxmacOS6.0 - 15
Labelbox
Labelbox provides tools and services for AI training data, reinforcement learning environments, evaluations, and enterprise agent workflows.
WebAPI6.0 - 16
Kili Technology
Kili Technology is an expert-in-the-loop platform for creating, reviewing, and evaluating AI data, including training and ground-truth datasets.
WebAPISelf-hosted5.9 - 17
SuperAnnotate
SuperAnnotate provides infrastructure for AI teams to create, evaluate, and improve data across modalities until datasets are ready for training.
WebAPImacOSWindows5.9 - 18
LabelMe
LabelMe is a web-based image annotation tool for researchers labeling images and sharing annotations.
WebLinuxSelf-hostedWindows5.7 - 19
YoloLabel
YoloLabel is a free desktop GUI for marking object bounding boxes in images used to train YOLO neural networks.
APILinuxmacOSSelf-hosted5.7 - 20
Encord
Encord is a paid multimodal data infrastructure layer for AI teams, covering work from pre-training and post-training through deployment.
WebAPISelf-hosted5.6 - 21
V7 Darwin
V7 Darwin is a web and API data-labeling platform for building training datasets for AI models.
WebAPI5.6 - 22
Scale Rapid
Scale Rapid provides labeled data and instruction feedback for machine learning experiments, with Scale saying results can be available in as little as one hour.
WebAPI5.5 - 23
Guanex AI Annotation Platform
Guanex AI Annotation Platform helps computer vision teams annotate and curate image and video datasets.
Self-hosted5.4 - 244.8