Rasa NLU

Open source language understanding for conversational bots and assistants

Turn natural language into structured data

Rasa NLU is an open source NLP library for intent classification and entity extraction. You can think of it as a set of high-level APIs for building your own language parser using existing NLP and ML libraries.

GDPR compliant

Open Source NLP library which runs on-premise to keep your customer data secure with GDPR-compliance, maximum data privacy, and security measures.


Customize and train language models specifically for domain-specific terms in any language. Tune models and get higher accuracy with our open source NLP.

Open Source

Rasa is an open source framework keeping important data and insights within your organization. It runs on an Apache 2.0 licence. So you can also use it commercial projects.

Why leading developers love Rasa

Get Started!

Star Fork

Want to supercharge your development?

Our paid Rasa Platform subscriptions unlock a powerful set of APIs and an intuitive user interface, along with our extensive customer success program.

A diagram showing APIs and user interface from Rasa Platform connecting to the open source Stack