Talk to Us Get Started

Build contextual assistants that really help customers

Rasa is the only serious choice for building mission-critical AI assistants.

Get Started →
Ready for Rasa Enterprise? Talk to sales →

Machine learning powered by open source

Rasa Open Source is a machine learning framework to automate text- and voice-based assistants.

Understand messages with Rasa’s NLU

Learn more →

Dialogue management driven by machine learning

Learn more →

Multiple integration and channel options

Learn more →

Check out what other developers have built with Rasa

Our community showcase includes assistants from commercial applications to just-for-fun bots

Connecting Brazilian Families with Emergency Government Assistance

Commercial Assistants

Connecting Brazilian Families with Emergency Government Assistance

Providing local forest fire updates for California residents

Personal Projects

Providing local forest fire updates for California residents

Fighting COVID-19 with Cognitive Conversational Agents

Fighting COVID-19 with Cognitive Conversational Agents

Financial Demo Assistant: a Starter Pack for Banking

Financial Demo Assistant: a Starter Pack for Banking

Meet more assistants in the Rasa Community Showcase

Developers at leading companies use Rasa

A community member

A community member

A community member

A community member

A community member

A community member

A community member

A community member

Join our fast-growing developer community

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

3m+

Downloads

10k+

Forum Members

450+

Contributors

A community member

A community member

A community member

A community member

A community member

A community member

A community member

A community member

What they’re saying

Latest from Rasa

Rasa raises $26m in Series B Funding, led by Andreessen Horowitz

Rasa raises $26M led by A16Z for its open source conversational AI platform (TechCrunch)

Conversational AI startup Rasa shows steady growth with fresh $26 million (VentureBeat)

Rasa Learning Center

Read our blog post: the 5 Levels of Conversational AI, Updated for 2020

Read now →

An end-user and a developer looking at a chart with 5 ascending levels

From the blog

A Short Story of Automating Model Regression Tests

by Tomasz Czekajło on Oct 22, 2020

On the Rasa Engineering team, the latest tests we’ve automated are Model Regression Tests, which allow us to track performance of ML algorithms across multiple datasets.

Building (and Testing) a Voice Assistant with Twilio Voice, Bespoken, and Rasa

by John Kelvie on Oct 19, 2020

In this post, we build a voice assistant based on Twilio Voice and Rasa Open Source, and explore testing with Bespoken.

Introducing the Unified Rule Policy

by Karen White on Oct 16, 2020

With the Rule Policy, we draw a clearer distinction between policies that use predefined logic and those that learn to predict the assistant’s next action from data.

Start creating your own contextual AI assistant!