Fish Audio · Text-to-Speech
Fish Audio S2 (Open Source)
Open-source TTS model trained on 10M+ hours across 50 languages. Dual-AR architecture (slow semantic + fast acoustic), inline prosody/emotion tags ([laugh], [whispers]), 0.195 RTF on H200, ~100ms TTFA, 3,000+ tokens/sec. Includes fine-tuning code and SGLang streaming engine.
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