Model Hub

Chatterbox — Resemble AI open-source text-to-speech model with voice cloning capability and natural prosody. MIT license.

Kokoro 82M — hexgrad lightweight 82M-parameter text-to-speech model (built on StyleTTS 2) delivering natural, high-quality voices at very low compute cost, ideal for fast and on-device synthesis. Apache 2.0.

OpenAudio S1-Mini — Fish Audio compact multilingual (13-language) text-to-speech model offering expressive, emotion-controllable voice synthesis and zero-shot voice cloning. Non-commercial license (CC-BY-NC-SA-4.0).

Orpheus 3B — Canopy Labs LLM-based text-to-speech model built on Llama 3 architecture, expressive natural speech generation. Apache 2.0.

VibeVoice 1.5B — Microsoft text-to-speech model for long-form, multi-speaker audio such as conversational podcasts, producing expressive voices with natural turn-taking between speakers. MIT license.