Features
On-device ONNX inference for low latency
Multilingual speech synthesis
Lightweight model runs on consumer GPU/CPU
Privacy-preserving local deployment
Interactive Hugging Face Space demo
Downloadable model weights for custom integration
Expressive output at faster-than-realtime speed
No cloud dependency or API calls
Configurable inference via ONNX runtime options
Supports batch processing for multiple texts
Text-to-speech with emotion tags (angry, sad, excited, etc.)
Voice cloning from 10–15 seconds of audio
2,000,000+ community voice library
Ultra-low latency TTS API
Real-time streaming voice generation
Speech-to-text with multi-speaker and emotion tags
Fish Audio S2.1 Pro: word-level voice control
AI Voice Design: create a custom voice from text prompt
Professional voice cloning (studio-quality verified clones)
Multilingual voice cloning (any voice in multiple languages)
Voice agent end-to-end solution
Podcast transcription tool
Team Plan with collaboration features
Open-source S2 model on GitHub