S
fishaudio/s2-pro
Text To Speech·fishaudio· 434.2K· 1.1K
Fish Audio S2 Pro is a leading text-to-speech (TTS) model with fine-grained inline control of prosody and emotion. Trained on over 10M+ hours of audio data across 80+ languages, the system combines reinforcement learning alignment with a dual-autoregressive architecture. The release includes model weights, fine-tuning code, and an SGLang-based streaming inference engine.
# pull & run locally
pip install mlforge-sdk && mlforge pull fishaudio/s2-pro
pip install mlforge-sdk && mlforge pull fishaudio/s2-pro
Model details
Task
Text To Speech
Provider
fishaudio
Parameters
4.6B
Size
10 GB
License
other
Downloads
434.2K
Likes
1.1K
Paper
arXiv:2603.08823
Updated
2026-03-11
About fishaudio/s2-pro
Fish Audio S2 Pro is a leading text-to-speech (TTS) model with fine-grained inline control of prosody and emotion. Trained on over 10M+ hours of audio data across 80+ languages, the system combines reinforcement learning alignment with a dual-autoregressive architecture. The release includes model weights, fine-tuning code, and an SGLang-based streaming inference engine.