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

What MOSS-TTS Family does

  • 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

MOSS-TTS Family — straight answers

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.

See the full list →

MOSS-TTS Family alternatives

Compare all alternatives →

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Murf AI

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Cartesia

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Hume AI

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  • Emotionally expressive voice interface (EVI)
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Fish Audio

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  • 15-second voice cloning claimed near-perfect fidelity
  • S2.1 Pro real-time emotionally-controllable voice model, free to start for devs
  • Bundles TTS, voice cloning, STT and a full voice-agent stack in one platform

Speechify

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  • Free tier includes unlimited basic TTS at up to 1.5x speed with 10 voices
  • Scan & Listen turns physical text/photos into audio
  • AI Podcasts and Voice AI Assistant bundled into Premium beyond plain reading

Head-to-head comparisons