Fish Audio S2

Fish Audio S2 is a voice AI model designed to be highly expressive and open. It focuses on speed and openness, offering very fast responses under 150 milliseconds. This makes it great for real-time uses like conversations, live dubbing, and interactive voice applications without losing quality.

Benefits

Fish Audio S2 allows users to control emotions and speaking styles using simple text instructions. It can add expressive sounds like laughter, whispers, and sighs. It also lets different speakers talk within the same audio generation. Because it is open-source, users can run it on their own systems, adjust it with their own data, and use it without being tied to one company. This promotes transparency and allows the community to help improve it.

Use Cases

This model is useful for creating natural-sounding speech for conversational AI, live dubbing of videos or games, and building interactive voice systems. Its ability to control emotion and speaker changes makes it versatile for various audio content creation needs.

Pricing (ONLY include if available)

Fish Audio S2 is available under the Fish Audio Research License. It is free for research and non-commercial use. For commercial use, a separate license is needed from Fish Audio. You can contact business@fish.audio for more information.

Vibes (ONLY include if available)

Fish Audio S2 is described as the most expressive and open-source voice AI model available.

Additional Information (ONLY include if available)

Fish Audio S2 Pro is a text-to-speech model trained on over 10 million hours of audio data in more than 80 languages. It uses advanced technology for detailed acoustic output and semantic meaning. The model achieves a Real-Time Factor of 0.195 on a single NVIDIA H200 GPU, meaning it can generate audio much faster than real-time. The SGLang serving engine includes optimizations for efficient performance. It supports over 80 languages, with English, Japanese, and Chinese being top quality. Other languages like Korean, Spanish, Arabic, Russian, French, and German are also supported, along with several others.