# Kyutai TTS & STT

Streaming TTS and STT models built on delayed-streams modeling, from the French Kyutai lab. Kyutai TTS & STT is free, with no paid plan attached, at github.com.

## Facts

- **Pricing tier:** Free
- **Works on:** Self-hosted, CLI, macOS
- **Works in browser:** No

## Capabilities

- Streaming TTS and STT models built on delayed-streams modeling, from the French Kyutai lab
- Low-latency text-in streaming speech, English and French
- Apache-2.0; powers the Unmute voice assistant demo

## FAQ

### What is Kyutai TTS & STT?

Kyutai TTS & STT is listed under AI Voice & Speech, in the Content & Media Generation category on Flocci AI Tools. Streaming TTS and STT models built on delayed-streams modeling, from the French Kyutai lab. It is free, with no paid plan attached, and it lives at github.com.

### Is Kyutai TTS & STT free?

Kyutai TTS & STT is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 397 entries on Flocci AI Tools with no upgrade path built in.

### Can I use Kyutai TTS & STT in a browser, or is there an app?

Kyutai TTS & STT needs to be installed or self-hosted — it doesn't run in a browser tab. It is available on self-hosting, the command line and Mac.

### What can Kyutai TTS & STT do?

Kyutai TTS & STT does 3 things the catalog singles out: Streaming tts and stt models built on delayed-streams modeling, from the french kyutai lab; low-latency text-in streaming speech, english and french; apache-2.0; powers the unmute voice assistant demo.

### What is the best free alternative to Kyutai TTS & STT?

Copilot Audio Expressions is the closest free alternative: it sits in the same AI Voice & Speech sub-category and is free. Kokoro Web, Zonos and Chatterbox (Resemble AI) also start free. The full list is on the alternatives page.

## Related

- [Kyutai TTS & STT alternatives](https://aitools.flocci.in/alternatives/kyutai-tts-stt)
- [AI Voice & Speech](https://aitools.flocci.in/category/content-media-generation/ai-voice-speech)
- [Best free AI voice and text-to-speech tools](https://aitools.flocci.in/best/best-ai-voice-speech)
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Source: Flocci AI Tools — https://aitools.flocci.in/tool/kyutai-tts-stt

Facts last verified: October 2026