The Fastest Way for Enterprise Teams to Annotate Data & Train New Models - for FREE

Install Software
Productivity

Build on the Spark NLP Models Hub to jump start projects with pre-annotations

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Auto NLP

Active learning automatically trains & improves your model as you go

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Teamwork

25+ Project types for annotating documents, images, audio, videos, or web pages

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Best in class Annotation Tool

Annotation Lab LabelStudio LabelBox LightTag TagTog Prodigy
Who is the
Free version for?
Teams looking for an enterprise-grade, proven, full-featured data labeling platform. Used by individual data scientists and small annotation teams. Small teams and individuals looking to test capabilities or validate early-stage experiments. Individual users Open: Only public labels & datasets. No Free version available
Free edition limitations: Unlimited Features Free Forever Limited to a single organization and workspace Limited to 10k annotations Limited to single user & 500 labels/month Limited to public datasets No Free version available
Labeling Features:
Text labeling Free Free Free Free Free Paid
Image labeling Free Free Free N/A N/A Paid
Video labeling Free Free Free N/A N/A Paid
Audio labeling Free Free N/A N/A N/A Paid
Multi-lingual text labeling Free Free N/A Free Team Paid
Span annotations & overlapping entities Free Free Free Free Free Paid
Label relations & dependencies Free Free Free Free Free Paid
Projects & Teams:
Multiple projects Free Free Free Team Free Paid
Project grouping Free N/A N/A N/A N/A N/A
Project searching/filtering Free N/A Free N/A N/A N/A
Full API access Free Free Pro Team Team Paid
Task assignment Free Enterprise Free Team Free N/A
Task tagging Free N/A N/A Team N/A N/A
Task comments Free N/A Free N/A N/A N/A
Role based task status Free N/A N/A N/A Free N/A
Duplicate tasks detection Free N/A N/A N/A N/A N/A
Task searching/filtering Free Free N/A Team Free N/A
Guidelines Free Free Free Free Team N/A
Feedback & Comments on completions Free N/A Free N/A N/A N/A
Consensus Analysis/IA Agreement Free Enterprise Pro Team Free N/A
Quality review workflows Free Enterprise Pro Team Team Paid
Performance Dashboards Free Enterprise Free Team Free N/A
QA & collaboration Free Enterprise Pro N/A N/A N/A
AI-Assisted Text Labeling
Project configuration based on existing models and rules Free N/A N/A N/A N/A Paid
Rule editing interface Free N/A N/A N/A N/A N/A
Pre-annotations with model assisted labeling Free Support for 3rd party ML integration Enterprise Team Enterprise Paid
Active learning: auto-retrain models on the fly Free Enterprise, Support for 3rd party ML integration N/A N/A Pro Paid
Transfer learning: start from pre-trained models Free N/A N/A N/A N/A Paid
Bring your own models Free Support for 3rd party ML integration Enterprise Team Free Paid
Precision/Recall Reports for Trained Models Free N/A N/A N/A N/A Paid
Model Hub Integration Free N/A N/A N/A N/A N/A
Security & Privacy:
Role-based access controls Free Enterprise Pro Team Enterprise N/A
Role-based views Free Enterprise N/A Team Enterprise N/A
Annotation Versioning Free N/A N/A N/A N/A N/A
Full audit trail Free N/A N/A Enterprise Enterprise N/A
LDAP/AD integration - User import/Login Free Enterprise Enterprise Enterprise Enterprise N/A
Single Sign On - User import/Login Free Enterprise Pro Enterprise Enterprise N/A
On-Premise / Air-Gap Deployment Free Enterprise Enterprise Enterprise Enterprise Paid
Annotation on PDF and image documents:
Support for multi-page scanned or generated PDFs OCR N/A N/A N/A Pro N/A
Selectable PDFs OCR N/A N/A N/A Pro N/A
Scanned PDFs OCR N/A N/A N/A N/A N/A
Support for image annotation (png) OCR N/A N/A N/A N/A N/A
Text search in image documents OCR N/A N/A N/A N/A N/A
Multi line chunk annotations OCR N/A N/A N/A N/A N/A
Sticky token selection OCR N/A N/A N/A N/A N/A
Custom region annotation OCR N/A N/A N/A N/A N/A
Relations annotation OCR N/A N/A N/A N/A N/A
Zoom features OCR N/A N/A N/A N/A N/A
Healthcare features:
Pre-annotations with rules & regex Healthcare N/A N/A N/A N/A Paid
Pre-annotations with dictionaries Healthcare N/A N/A N/A Team Paid
Automatic detection of 100+ clinical and biomedical entities Healthcare N/A N/A N/A N/A N/A
Automatic detection of clinical assertion status detection (negation detection) Healthcare N/A N/A N/A N/A N/A
Automatic detection of 30+ healthcare-specific relation extraction Healthcare N/A N/A N/A N/A N/A
Automatic entity normalization (coding) to 10+ medical terminologies Healthcare N/A N/A N/A N/A N/A
Transfer learning for named entity recognition models Healthcare N/A N/A N/A N/A N/A
Ready to use healthcare-specific word, chunk, and sentence embeddings Healthcare N/A N/A N/A N/A N/A

Productivity

Never start from scratch
  • Build on the Spark NLP Models Hub to jump start projects with pre-annotations
  • Reuse hundreds of pre-trained models – so that annotators don’t waste time on learned tasks
  • Automatically pre-annotate documents with over 100 clinical and biomedical entities
Keep Annotators in the Zone
  • Make the most of your domain experts’ time
  • Optimized screens, keyboard shortcuts, and automated task transitions
  • Write & share annotation guidelines
Reach agreement quickly
  • Optimized reviews: Visually compare versions across humans & models
  • Automated detection and live notifications of inconsistencies
  • Analytics for inter-annotator agreement, common confusion

Auto NLP

Active learning
  • Active learning automatically trains & improves your model as you go
  • Native integration with Spark NLP lets you use the model in custom, scalable pipelines
Deliver an accurate model, not just labels
  • Deliver a production-grade model, not just annotations: Train, version & publish models
Built for High Compliance Enterprise Environments
  • Deploy on your own cloud or on-premise infrastructure, share nothing
  • Full audit trail – versioned and per-user
  • Designed to handle PHI or PII

Teamwork

Projects & Teams
  • Manage multiple projects, teams, and roles
  • 25+ Project types for annotating documents, images, audio, videos, or web pages
  • Text annotation: Entities, relationships, document classification, translation or summarization
Workflows
  • Customize annotation, validation, and review workflows to fit each project’s needs
  • Flexible filtering and search based on task name, user, and tag
  • Support human-in-the-loop production workflows that include both models & human review
Security
  • All compute & storage done on the cluster
  • Central identity management and Single Sign-on
  • Role-Based Access Controls
  • Password Strength Controls
Analytics
  • Project progress indicators
  • Annotators productivity dashboards

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