Open source language understanding for conversational bots and assistants (formerly Rasa NLU)

An open source drop-in replacement for popular NLP tools like LUIS, Dialogflow, and

Turn natural language into structured data

Rasa's NLU component is an open source NLP tool 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.

Join our fast-growing developer community

Rasa Community is a diverse group of makers and conversational AI enthusiasts.




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