Label Studio is an open-source data-labeling tool for preparing text, image, audio, video, time-series, and multimodal datasets. It provides configurable labeling interfaces, project templates, data management, and annotation import and export. Custom machine-learning backends can supply predictions, while Enterprise adds automated active-learning loops. Its integration options span storage, foundation-model APIs, computer vision, speech and audio, ML frameworks, and infrastructure; listed storage services include Amazon S3, Google Cloud Storage, Azure Blob Storage, Databricks, Redis, and local storage. APIs, a Python SDK, and webhooks support programmatic workflows. Label Studio can be installed on premises or in the cloud using pip, Docker, Ubuntu, source, or Anaconda. Security documentation describes TLS for interactions between application components, plus HTTPS and secured cookies in the web app. Enterprise is described as SOC 2 and HIPAA compliant and supports cloud or on-prem deployments, SSO, and SCIM 2.0. Community Edition is free. Starter Cloud costs 99.00 USD per month, with each additional user at 49.00 USD per month; Enterprise pricing is custom.
Who it is for
Label Studio suits teams building labeled datasets across several data types, including teams integrating model predictions into annotation workflows. Community users can work through Slack and GitHub issues; organizations needing dedicated support or enterprise identity options can consider the paid editions.
What is good
- Labels text, images, audio, video, and time series
- Custom ML backends can provide predictions
- APIs, Python SDK, and webhooks support integration
- Can be deployed on premises or in the cloud
- Community Edition is free
What to know first
- Starter Cloud supports up to 12 users
- Additional Starter Cloud users cost 49.00 USD per month each
- Enterprise pricing is custom
- Community support is through Slack and GitHub issues
Verdict
Label Studio covers a broad set of annotation workflows and offers both self-managed and hosted deployment paths. Choose an edition based on user count, deployment, identity, and support requirements.
Label Studio plans and pricing
All plansCompared on video annotation software
- Free plan
- Yes
- Model-assisted labeling
- Yes
- API access
- Yes
