v1.12.5
cheaper-inference/OmniRoutev1.12.5Apr 8, 2026by FranckyB
Upgrading?
AI Summary
This release introduces the Fish Speech S2 Pro engine, significantly enhancing multi-language support and control capabilities. It also focuses on performance improvements through GPU kernel compilation and persistent caching to accelerate generation times.
Key Highlights
- Added Fish Speech S2 Pro (4B parameter TTS model) supporting 80+ languages and 15,000+ inline expression tags.
- Implemented Triton/Inductor GPU kernel compilation with persistent caching for faster repeat generations.
- TTS model manager updated with new methods for handling Fish Speech model loading and batch generation.
- Added Windows-specific patches for compilation compatibility and informative first-run cache warnings.
New Features
- Fish Speech S2 Pro engine integration
- Auto-download from HuggingFace
- Support for [tag] syntax
- Persistent caching in models/.cache
- Windows compilation patches
Full Release Notes
Fish Speech S2 Pro Integration and Features: Added Fish Speech S2 Pro (4B parameter TTS model) as a new engine in the UI, supporting 80+ languages and 15,000+ inline expression tags for fine-grained speech control. The model is auto-downloaded from HuggingFace, and [tag] syntax is supported and automatically stripped for other engines. The TTS model manager (tts_manager.py) now provides get_fish_speech() and generate_voice_clone_fish_speech() methods, handling model loading, reference audio encoding, kernel cache status reporting, and batch/paragraph generation with all Fish Speech parameters exposed. Performance and Stability Enhancements: Implemented Triton/Inductor GPU kernel compilation with persistent caching in models/.cache for Fish Speech, significantly accelerating repeat generations. Added Windows-specific patches for compilation compatibility and informative first-run cache warnings.
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