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Marketing · CRM & Sales

Rasa

Provides open-source conversational AI framework for building chatbots and assistants.

Our take: Developer Edition free for production up to 1K external conversations/mo (100 internal).

Best forDevelopers
ReviewedPricing: Free
7.2 out of 105 criteria · see breakdown
Try RasaFree (Dev Edition); Pro ~$35K+/yr
The bottom line

Best OSS chatbot framework for engineers; enterprise pricing is serious.

Our score

Reviewed by the Conversion Gems editorial team. Hover a facet to focus it; click to pin.Tap a facet to focus it.

Community ratings

Shown for context only. Our score is independent.

G2
4.7 out of 5
30+ reviews
Capterra
4.7 out of 5
5+ reviews

4.7 / 5 aggregate · across 2 sources

Third-party ratings shown verbatim; aggregate weighted by review volume.

What it is, and why we rate it

One line each. Open a row for detail.

What it really isRasa - open-source conversational AI framework (NLU + dialogue) with free Developer Edition and enterprise Rasa Pro/Studio.
Our takeDeveloper Edition free for production up to 1K external conversations/mo (100 internal).
Rasa Pro/Platform is commercial from ~$35K/year for scale, security and Studio no-code UI. Self-hosted, full customization for dev teams.

Best / not good for

Best for
  • Engineers needing full control over NLU and dialogue policies
  • Regulated industries requiring on-prem deployment
  • Teams graduating from free tier to enterprise scale
Not good for
  • Non-technical marketers wanting plug-and-play chatbot SaaS
  • Small businesses expecting free unlimited production chat
  • Quick no-code setup without engineering resources
Trade-offs

Friction report

Trade-offs to know before signing up.

  1. Time to value
    Slow: ML/engineering setup, training data, deployment.
  2. Scale breakpoint
    Jump to $35K+ platform for scale and Studio.
  3. Walled garden
    Low: OSS core, self-hosted.
Still a fit?
If none of these block you, start on the free plan.
Try Rasa

A look inside

Rasa product screenshot

Frequently Asked Questions

Can developers build custom conversational AI with machine learning capabilities?

Developers can create advanced conversational AI systems with customizable machine learning models and integrations.

Can Rasa build custom AI assistants with open-source flexibility?

Rasa builds custom AI assistants with open-source flexibility, allowing fully tailored conversational AI solutions.

How can Rasa's open-source conversational AI platform help developers build custom, secure AI assistants for enterprise applications?

Rasa provides an open-source framework for developers to build secure, customizable AI assistants for enterprise applications.

How does this open-source conversational AI framework enable developers to build custom chatbots and assistants?

The open-source conversational AI framework allows developers to build custom chatbots and intelligent assistants.

What open-source tools does this platform provide for developing and training conversational AI assistants?

Open-source resources support developing and training conversational AI assistants for custom applications.

Alternatives

  • Step up

    Rasa Pro + Studio for enterprise teams.

  • Lighter alternative

    Voiceflow or Botpress for faster no-code bots.

Showing 1–2 of 2

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Tags

#Chatbot#Developer

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