The Text Annotation Tool For Teams
Label data for NLP faster with your team and our AI.
LightTag manages your workforce so you can focus on the important things.
Best of all, It. Just. Works.
Work Faster With Our Optimized Interface
- Keyboard Shortcuts
- No tokenization assumptions
- Full Unicode Support
- Subword and phrase annotations
- RTL and CJK languages
- Entity, Classification and Relation annotations
Control Your Data Quality
LightTag's Review Mode and Reporting make it easy to ensure your data is perfect and your annotators are performing at their very best. Learn More
Double Your Throughput With Our AI
LightTag's AI quickly learns high precision predictions, automating away simple labels and freeing your team to create more and higher quality labels.
50% of the annotations made in LightTag come from our AI suggestions, in any language!
Model More Accurately
You can also provide suggestions with your own models, regular expressions and dictionaries. Use our review feature to quickly validate your models and bootstrap a project.
Finance
Annotate Bloomberg chats, earning call transcripts or social media to find the signal in the noise.
Legal
NLP is the driver of LegalTech and labeled data drives NLP. Use LightTag to label contracts and case law to grow you LegalTech capabilities.
Marketing
Search and annotate social media to find brand mentions and sentiment in any domain and language.
Pharma & Medical
Easily annotate drug-drug interactions or site-symptom-severity triplets in clinical notes.
Better Labeled Data, Faster
Assign tasks, particular datasets, assign how many annotators you want for each example.
Give Your Data Scientists The Best Data
With LightTag's review, reporting and quality controls your team can be confident they have the best data.
Cut Project Management Costs In Half
Assign tasks, particular datasets, assign how many annotators you want for each example.
Do What You Do Best
Free your engineers from undifferentiated heavy lifting to focus on what's core to your business.
Individual
FREE
1 Annotator
Unlimited Annotations
Span Annotations Classifications & Relationships
API Access
LightTag AI Suggestions
Bring Your Own Pre-Annotations
Team
Starting at $0
/mo
Unlimited
Annotators
Free up to 10K
Annotations /Month
$0.02 / Additional Annotations
Span Annotations Classifications & Relationships
API Access
LightTag AI Suggestions
Bring Your Own Pre-Annotations
On Premise
Deploy LightTag on Your Own Premises
Everything in Teams +
LDAP/SSO
Role Based Access Controls
Audit Logs
Customization and Training
Free For Education
LightTag is free to use for those who attend and teach at qualified educational institutions to use for non-commercial research.