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 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.
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 399 entries on Flocci AI Tools with no upgrade path built in.
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.
Chatterbox (Resemble AI) is the closest free alternative: it sits in the same AI Voice & Speech sub-category and is free. Copilot Audio Expressions, CosyVoice and F5-TTS also start free. The full list is on the alternatives page.
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