| Website | labelstud.io |
| Category | ML / Data Labeling |
| License | Apache 2.0 (open source) |
| Pricing | Free (open source), Enterprise available |
Overview
Label Studio is an open-source data labeling platform. Label images, text, audio, video, and time series. Multi-user, ML-assisted labeling.
Pros
- Apache 2.0 license
- Multi-data-type support
- ML-assisted labeling
- Team collaboration
- Custom labeling templates
- Self-hosted
Cons
- Enterprise features behind paywall
- UI performance with large datasets
- Setup complexity
- Limited model training
- Documentation gaps
Verdict
Label Studio is the most versatile open-source data labeling platform. Image segmentation, text NER, audio transcription, video annotation — all in one tool with ML-assisted labeling that speeds up the work. For ML teams that need labeled data without the cost of Scale AI or Labelbox, Label Studio delivers.