Rasa Voice
by Rasa
Open-source conversational AI framework with voice channel integration.
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TL;DR
Best for enterprises self-hosting a conversational AI stack with on-prem governance needs. Pricing: free.
Category
Open source
License
Apache-2.0
Stars
★ 21.3k
Last push
2026-07-24
Pricing
free
Platforms
Linux, macOS, Windows, Cloud
What it is
Rasa is a long-running open-source conversational AI framework with NLU, dialog policies, and now LLM-powered CALM stories. Voice deployments wrap Rasa with Twilio Media Streams, Genesys, or Audiocodes connectors plus an ASR/TTS pair. Rasa is the default choice when buyers need self-hosted control and a transparent training pipeline.
Best for: Enterprises self-hosting a conversational AI stack with on-prem governance needs.
Watch out for: Voice channel typically requires custom telephony adapters or third-party connectors.
Watch out for: Voice channel typically requires custom telephony adapters or third-party connectors.
Install / use
pip install rasaFeatures
| Speaker diarization | No |
| Word-level timestamps | No |
| Streaming / real-time | No |
| Languages supported | None |
| HIPAA eligible | No |
Links
Rasa Voice vs Whipscribe
| Feature | Rasa Voice | Whipscribe |
|---|---|---|
| Category | Open source | Transcription APIs |
| Pricing | free | $4–$24 one-time packs (credits never expire) · $2 single unlock · 60 min free on signup |
| Speaker diarization | — | Yes |
| Word timestamps | — | Yes |
| Streaming | — | No |
| Languages | — | 99 |
| Platforms | Linux, macOS, Windows, Cloud | Web, API, MCP |
Alternatives to Rasa Voice
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