# MOSS-TTS Family

Apache-2.0 model family: long-form TTS, MOSS-TTSD multi-speaker dialogue (up to ~60 minutes), voice design from text, streaming TTS, and sound-effect generation. MOSS-TTS Family is free, with no paid plan attached, at github.com.

## Facts

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

## Capabilities

- Apache-2.0 model family: long-form TTS, MOSS-TTSD multi-speaker dialogue (up to ~60 minutes), voice design from text, streaming TTS, and sound-effect generation
- 31 languages with code-switching; Nano variant (0.1B) runs on CPU
- From the Shanghai OpenMOSS lab

## FAQ

### What is MOSS-TTS Family?

MOSS-TTS Family is listed under AI Voice & Speech, in the Content & Media Generation category on Flocci AI Tools. Apache-2.0 model family: long-form TTS, MOSS-TTSD multi-speaker dialogue (up to ~60 minutes), voice design from text, streaming TTS, and sound-effect generation. It is free, with no paid plan attached, and it lives at github.com.

### Is MOSS-TTS Family free?

MOSS-TTS Family 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 MOSS-TTS Family in a browser, or is there an app?

MOSS-TTS Family needs to be installed or self-hosted — it doesn't run in a browser tab. It is available on self-hosting and an API.

### What can MOSS-TTS Family do?

MOSS-TTS Family does 3 things the catalog singles out: Apache-2.0 model family: long-form tts, moss-ttsd multi-speaker dialogue (up to ~60 minutes), voice design from text, streaming tts, and sound-effect generation; 31 languages with code-switching; nano variant (0.1b) runs on cpu; from the shanghai openmoss lab.

### What is the best free alternative to MOSS-TTS Family?

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

- [MOSS-TTS Family alternatives](https://aitools.flocci.in/alternatives/moss-tts-family)
- [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/moss-tts-family

Facts last verified: October 2026