Build contextual chatbots and AI assistants with our open source conversational AI framework

Rasa is the leading open source machine learning toolkit that lets developers expand chatbots beyond answering simple questions. The open source Rasa Stack enables developers all over the world to build in-house conversational AI without hiring big research teams.

New to Rasa?

We’ve put together a “Get Started” guide for you that explains our open source tools and allows you to build your first AI assistant with the Rasa Stack.

Been here before?

Rasa NLU


Rasa Core