Data Annotation Platforms and Services in AI answers

Data as of Oct 22, 2026Based on 1,017 AI responsesReviewed by Dimitry Apollonsky

AI summary

Labelbox holds a clear lead across annotation workflows, frequently cited for enterprise workforce management and active learning loops. When open-source video annotation or self-hosted image segmentation is required, CVAT serves as the usual answer.

What’s changing · since July

Since July, Labelbox became the most named answer for accelerating human review workflows, while CogitoTechrising became the most named provider for medical imaging projects requiring radiologists. Encord joined the most named options for active learning loops, whereas Mathworksfalling dropped out of point cloud recommendations.

Most-mentioned brands

Rank and Mentioned in · since Jul 5

#	Brand	Mentioned in	Recommended for
1	Labelbox 62% enterprise workforce management and hybrid automated labeling pipelines	62%	enterprise workforce management and hybrid automated labeling pipelines
2	CVAT 53% open-source video tracking and self-hosted computer vision annotation	53%	open-source video tracking and self-hosted computer vision annotation
3	SuperAnnotate 47% managing annotator teams on complex multimodal AI datasets	47%	managing annotator teams on complex multimodal AI datasets
4	Label Studio 42% multimodal text and natural language processing annotation tasks	42%	multimodal text and natural language processing annotation tasks
4	Encord 40% commercial video annotation paired with active learning engines	40%	commercial video annotation paired with active learning engines
6	Scale 32% high-throughput managed labeling services for large-scale datasets	32%	high-throughput managed labeling services for large-scale datasets
7	Roboflow 24% developer-friendly automated labeling and rapid computer vision workflows	24%	developer-friendly automated labeling and rapid computer vision workflows
8	iMerit 19% managed services utilizing dedicated, non-crowdsourced labeling workforces	19%	managed services utilizing dedicated, non-crowdsourced labeling workforces
8	Supervisely 17% point cloud annotation and modular vision application workflows	17%	point cloud annotation and modular vision application workflows
10	V7 Darwin V7 Labs product line 12% automated video interpolation and commercial image segmentation projects	12%	automated video interpolation and commercial image segmentation projects
11	Appen 10%	10%
11	V7 Go V7 Labs product line 9%	9%
13	Dataloop 7%	7%
13	CloudFactory 6%	6%
13	TELUS Digital Owned by TELUS 6%	6%
16	CogitoTech 5%	5%
16	V7 Labs 5%	5%
16	Prodigy 5%	5%
16	Labellerr 5%	5%
16	Amazon SageMaker Amazon product line 4%	4%
16	Doccano 4%	4%
22	BasicAI 4%	4%
22	Segments.ai 4%	4%
22	Surge AI 4%	4%
22	Datasaur 3%	3%
22	Shaip 3%	3%
22	Kognic 3%	3%
22	Lightly 3%	3%
22	Sama · sama.io 3%	3%
22	Segment Anything Model 2 3%	3%
22	3D Slicer 3%	3%
22	Annotera 3%	3%
22	MLflow 3%	3%
34	Roboflow Annotate Roboflow product line 3%	3%
34	Sama · sama.com 3%	3%
34	Argilla 3%	3%
34	MONAI Label MONAI product line 2%	2%
34	Weights & Biases 2%	2%
34	Ango Hub 2%	2%
34	Voxel51 2%	2%
34	Toloka 2%	2%
34	INCEpTION 2%	2%
34	People for AI 2%	2%
34	Med Annotate 2%	2%
34	MD.ai 2%	2%
34	MakeSense 2%	2%
34	Databricks 2%	2%
34	Kili Technology 2%	2%
34	TaskUs 2%	2%
50	CloudCompare 2%	2%
50	OHIF 2%	2%
50	Deepen AI 2%	2%
50	FiftyOne Voxel51 product line 2%	2%
50	Google Cloud Gemini Enterprise Agent Platform Alphabet product line 2%	2%
50	Snorkel Flow Snorkel AI product line 1%	1%
50	ITK-SNAP 1%	1%
50	HumanSignal 1%	1%
50	DataVLab 1%	1%
50	BRAT Nlplab product line 1%	1%
50	LightTag 1%	1%
50	Anolytics 1%	1%
50	OpenTrain 1%	1%
50	Intellabel 1%	1%
50	Potato Annotator 1%	1%
50	Databricks Data Intelligence Platform Databricks product line 1%	1%
50	Centric Labs 1%	1%
50	LabelCore.AI 1%	1%
50	Servion 1%	1%
50	TELUS Digital AI Data Solutions TELUS product line 1%	1%
50	TELUS Consumer Goods 1%	1%
50	RedBrick AI 1%	1%
50	MONAI 1%	1%
50	DAGsHub 1%	1%
50	AWS Amazon product line 1%	1%
50	DVC 1%	1%
76	Labelforce AI 1%	1%
76	Snorkel AI 1%	1%
76	Kubeflow 1%	1%
76	Medcase 1%	1%
76	Mindy Support 1%	1%
76	Innodata 1%	1%
76	Image Core Lab 1%	1%
76	PyTorch 1%	1%
76	Tator 1%	1%
76	Pixel Annotation 1%	1%
76	Encord Active Encord product line 1%	1%
76	VGG Image Annotator (VIA) University of Oxford product line 1%	1%
76	OWorkers 1%	1%
76	Alignerr 1%	1%
76	Radinate 1%	1%
76	Labelix 1%	1%
76	QuPath 1%	1%
76	Axonate Tech 1%	1%
76	lakeFS 1%	1%
76	Graid 1%	1%
76	Lionbridge 1%	1%
76	Ultralytics 1%	1%
76	Datature 1%	1%
76	Innovatiana 1%	1%
76	Label Your Data 1%	1%

Who leads each AI engine

ChatGPT SearchChatGPT Search: =1Encord Labelbox
Google AI ModeGoogle AI Mode: Labelbox

Mentioned in on each engineChatGPT SearchGoogle AI Mode

Widest split: Encord, 61% on ChatGPT Search and 19% on Google AI Mode.

Mentioned in on each AI engine, by brand
Brand	ChatGPT Search	Google AI Mode
Labelbox	61%	62%
CVAT	54%	52%
SuperAnnotate	41%	53%
Encord	61%	19%
Label Studio	43%	42%
Scale	32%	32%
Roboflow	20%	29%
Supervisely	20%	14%
iMerit	16%	23%
V7 Darwin	12%	12%

Market map

Mentioned in · since Jul 5

Leading brands by topic

Multimodal data labelingFew answersLed byLabel Studio
Computer vision data labelingLed byCVAT
AI-assisted data labelingTied:SuperAnnotateLabelbox
Medical imaging annotationTied:3D SlicerMONAI Label

Questions by topic8

AI-assisted data labeling
- Our "human-in-the-loop" review process is too slow. Who offers AI-assisted labeling interfaces to speed up annotators?
- We need to accelerate our human-in-the-loop review workflow. Can you recommend data labeling platforms that feature AI-assisted tools to help our annotators work faster?
- I'm looking for labeling software that uses machine learning to speed up human review, as our current human-in-the-loop process is too slow.
Medical imaging annotation
- What are the best annotation tools and workflows for labeling X-rays, MRIs, and other medical images for diagnostic AI training?
- Which annotation platforms and workflows are best suited for labeling medical imaging data, specifically for diagnostic AI training purposes?
- Which annotation platforms and processes work best for preparing medical imaging datasets like X-rays and MRIs for diagnostic AI training?
Computer vision data labeling
- What's the best data annotation tool for a computer vision project for a data scientist to manage?
- Which data labeling tools are best suited for a data scientist to oversee a computer vision project?
- What are some data annotation tools that handle bounding boxes, segmentation, object tracking, and movement recognition for training computer vision models?
- What is the best data labeling platform for annotating a large dataset of images for a computer vision model?
Multimodal data labeling
- I need a platform that supports annotation workflows for combining and labeling different data types like text, audio, video, and images in a single project. What are my options?
- Are there any annotation tools that let me handle text, audio, video, and image labeling all within one project?
- I'm looking for a data labeling tool that lets me handle text, audio, video, and images all within one project. Which platforms support these multimodal annotation workflows?
AI-assisted segmentation data annotation tool
- I need to label a large image dataset for segmentation. What is the best data annotation tool with AI-assisted labeling?
- What are the top-rated tools for AI-assisted segmentation when dealing with a high volume of image data?
- What is the most effective AI-assisted tool for image segmentation labeling on large datasets?
ML data labeling
- The problem is, managing our remote labeling workforce is difficult. What is the best data labeling platform with built-in workforce management?
- I am preparing data for a large-scale ML model. Who offers data cleaning and labeling services at scale?
- We are struggling to coordinate our distributed team of labelers. Can you recommend a data labeling platform that includes tools for managing the workforce directly?
Video annotation labeling platform with active learning
- I need a labeling platform that supports video annotation and integrates with active learning loops.
- Can you recommend a video annotation platform that includes active learning capabilities?
- Can you recommend a platform for labeling video data that also features active learning capabilities?
Video annotation tool for object tracking and action recognition
- What is the best annotation tool for video data, specifically for object tracking and action recognition?
- What are the top-rated platforms for labeling video data when the primary goals are action recognition and object tracking?
- Which video labeling tools are best suited for projects involving action recognition and object tracking?
- What's a good, affordable annotation tool for video data, specifically for object tracking and action recognition?

Our labeling process is too slow. What is the best data labeling platform for an ML Engineer managing a team of annotators?
Which data labeling services employ certified radiologists for medical imaging annotation?
I am looking for a data labeling service that uses paid employees and does not use crowdsourced labor.
I'm looking to outsource my entire data labeling project. What is the best managed data labeling service for a startup?
The problem is, our video annotation process is slow. What's the best video annotation tool that supports collaborative, real-time labeling?
We have tons of images to label for a CV model. Any recs for a solid, affordable data labeling platform?
I need a platform for labeling text data for a NLP project. What are the best annotation tools?
We are building a dataset for self-driving cars. Who offers image segmentation annotation services?
I want to train a model on 3D point cloud data. What is the best LiDAR or 3D point cloud annotation tool?
We need to manage the lifecycle of our data from labeling to training. What is the best data-centric MLOps platform?
I need to label a million images for a computer vision project. What's the best data annotation platform that uses a combination of AI and human labelers for speed?
I am preparing to scale our computer vision model. Who offers active learning loops to improve accuracy?

Sources AI cites99

46% of citations point at the ranked brands’ own sites. youtube.com, reddit.com, imerit.ai are the most-cited sites outside the ranked brands’ own domains.

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- 5 Data Labeling Tools Compared: Features, Pros, and Cons | Alation · 6% (opens in a new tab)
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- 7 Best Data Labeling Platforms in 2026 (AI Teams) · 5% (opens in a new tab)
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- Best AI Annotation Platforms for Labeling Data: 15 Top Tools ... · 2% (opens in a new tab)
- Best AI Annotation Tools for Computer Vision in 2026: Complete Guide to Top Platforms | AI Insights · 1% (opens in a new tab)
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- Best Open Source Annotation Tools for Computer Vision · 2% (opens in a new tab)
- Best Open Source Annotation Tools for Computer Vision · <1% (opens in a new tab)
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- Data Annotation Tools Compared: Labelbox vs. Scale AI vs. CVAT vs. Encord (2026) – DataX Power Blog | DataX Power · 2% (opens in a new tab)
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- Top 10 Data Annotation Tools and Software for Enterprise AI Projects in 2026 - Second Talent · 1% (opens in a new tab)
- Top 7 Platforms to Hire Data Annotation Experts in 2026 - Second Talent · 1% (opens in a new tab)
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- Best Data Annotation Tools 2026: Labelbox, Scale AI, Encord, V7 & More - SourceBae · 2% (opens in a new tab)
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- 10 Data Labeling Tools to Check in 2026 | Addepto · 1% (opens in a new tab)
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- Top 10 Data Labeling Tools for Coding & More | Lemon.io · 1% (opens in a new tab)
- The Role of RLHF Platforms in AI Advancement | Lemon.io Blog · <1% (opens in a new tab)
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- Top 10 Data Annotation Companies - 2026 - SG Analytics · 1% (opens in a new tab)
- Top 20 MLOps Tools in 2026 | SG Analytics · <1% (opens in a new tab)
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- 16+ Best Data Annotation Tools for 2025: Features & Benefits · 1% (opens in a new tab)
- NLP Tools: Beginner Guide to Text Processing and Analysis · <1% (opens in a new tab)
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- MONAI Label · 1% (opens in a new tab)
- MONAI - Medical Open Network for AI · <1% (opens in a new tab)
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- 9 Reasons Datasaur.AI is the Best Text Annotation Tool | Datasaur · 1% (opens in a new tab)
- Datasaur vs. LabelBox · <1% (opens in a new tab)
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