The short answer
Cheapest at 5 seats a month
$99/mo
Label Studio (HumanSignal), Starter Cloud plan
- Lowest starting price
- $23 · CVAT
- Free plans
- 5 of 23
- Prices published
- 12 of 23
- Sales-led only
- 11
Data labeling software at a glance
Median starting price$69/moHalf start between $34 and $650
Free plan22%26% offer a time-limited trial
Buy online39%Sign up and pay without a sales call
Sales only48%Demo or contact sales to buy
How they charge
What you'd pay at 5 seats a month
- Label Studio (HumanSignal) Starter Cloud$99
- CVAT Team$165
- Supervisely Pro€199
Computed from each tool's published plans, allowances and overage rates.
Every Data labeling software, side by side
| Tool | Starts at | Usage price | Free plan | How you buy | Checks | Checked |
|---|---|---|---|---|---|---|
 Label Studio (HumanSignal) |
$99/mo | – | Yes | Both | 8/8 | Oct 29, 2026 |
 CVAT |
$23/mo yearly | – | Yes | Both | 6/8 | Oct 29, 2026 |
 Supervisely |
€199/mo | – | Yes | Both | 5/8 | Oct 29, 2026 |
 Roboflow |
$39/mo | $0.10/minute | Yes | Both | 5/8 | Oct 29, 2026 |
 Labellerr |
$833/mo yearly | – | Yes | Sales-led | 7/8 | Oct 29, 2026 |
 Amazon SageMaker Ground Truth |
– | – | – | Sales-led | 1/8 | Oct 29, 2026 |
 Appen |
– | – | – | Sales-led | 5/8 | Oct 29, 2026 |
| Clarifai | – | – | – | – | 0/8 | Oct 29, 2026 |
| Dataloop | – | – | – | – | 0/8 | Oct 29, 2026 |
 Datasaur |
– | – | – | Both | 4/8 | Oct 29, 2026 |
 Encord |
– | – | – | Both | 8/8 | Oct 29, 2026 |
 Keymakr |
– | – | – | Sales-led | 5/8 | Oct 29, 2026 |
 Kili Technology |
– | – | – | Both | 8/8 | Oct 29, 2026 |
 Labelbox |
– | – | – | – | 1/8 | Oct 29, 2026 |
 Prodigy (Explosion) |
– | – | – | Both | 6/8 | Oct 29, 2026 |
 Scale AI |
– | – | – | Sales-led | 2/8 | Oct 29, 2026 |
 Segments.ai |
– | – | – | Both | 4/8 | Oct 29, 2026 |
 Snorkel AI |
– | – | – | Sales-led | 3/8 | Oct 29, 2026 |
 SuperAnnotate |
– | – | – | Sales-led | 7/8 | Oct 29, 2026 |
 Tasq.ai |
– | – | – | Sales-led | 7/8 | Oct 29, 2026 |
 TELUS Digital (Lionbridge AI) |
– | – | – | Sales-led | 1/8 | Oct 29, 2026 |
 Toloka |
– | – | – | Sales-led | 6/8 | Oct 29, 2026 |
 V7 Darwin |
– | – | – | Sales-led | 0/8 | Oct 29, 2026 |
The tools
Label Studio (HumanSignal)HumanSignal makes Label Studio, a data labeling and AI evaluation platform, and also sells managed data services.$99 /moCVATCVAT is a data annotation platform for images, video, 3D point clouds and audio, sold as a cloud service, a self-hosted enterprise edition and a free open-source edition, plus a managed labeling service.$23 /moSuperviselySupervisely is a computer vision platform for labeling images, video, 3D point clouds and medical scans, with model training and deployment.€199 /moRoboflowRoboflow is a computer vision platform covering image annotation, model training, and cloud or edge deployment.$39 /moLabellerrLabellerr is a data annotation platform for images, video, text, audio, PDFs and more, with automated labeling, an SDK, and optional managed annotation services.$833 /moAmazon SageMaker Ground TruthAmazon SageMaker Ground Truth is an AWS expert-led service that helps customize and fine-tune generative AI models using human feedback.QuoteAppenAppen provides human-expert training data, annotation and model evaluation services for AI labs, plus an annotation platform and an enterprise data licensing service.QuoteCLClarifaiQuoteDADataloopQuoteDatasaurDatasaur sells private AI deployments that run on the customer's own infrastructure, and also runs Data Studio, a data labeling platform.QuoteEncordMultimodal data platform for annotating, curating and evaluating AI training data, with optional managed expert annotation.QuoteKeymakrKeymakr is a managed data annotation and AI training data service with its own Keylabs annotation platform.QuoteKili TechnologyKili Technology is a data labeling platform for building training, fine-tuning and evaluation datasets with expert review across image, video, text, audio, OCR, geospatial and LLM data.QuoteLabelboxLabelbox sells Recursion, a platform that runs fleets of AI agents on enterprise work, and Horizon, RL environments and evals for frontier AI labs.QuoteProdigy (Explosion)Prodigy is a downloadable, self-hosted annotation tool for building machine learning training and evaluation data, sold as a lifetime license.QuoteScale AIScale AI supplies human-sourced training data, evaluations and custom AI systems to AI labs, enterprises and governments.QuoteSegments.aiSegments.ai is a multi-sensor data labeling platform for 3D point cloud and 2D image data, aimed at robotics and autonomous vehicle teams.QuoteSnorkel AISnorkel AI builds expert-curated training data, evaluation sets and environments for frontier AI labs and enterprises, delivered as a service.QuoteSuperAnnotateSuperAnnotate provides a data labeling platform plus expert human annotators for AI data across text, image, video, and audio.QuoteTasq.aiTasq.ai provides annotation, evaluation and validation of AI data and model outputs using a model, a contributor network and domain experts.QuoteTELUS Digital (Lionbridge AI)TELUS Digital is a customer experience and AI services company that also offers data for AI training, sold through its sales team.QuoteTolokaToloka provides expert-curated training and evaluation data for AI agents and LLMs as a managed service, backed by its own data labeling platform.QuoteV7 DarwinV7 sells V7 Go, an AI agent platform that automates document-heavy workflows in private markets, insurance and real estate.QuoteHow this list is made
Every price is read from the vendor's own pricing page on the date shown and tied to the line it came from. Tools are ordered by what they cost at a typical volume, then by starting price. No one pays to be listed or ranked.