OpenRouter model

Fish Audio: S2 Pro

S2 Pro is a multilingual text-to-speech model from Fish Audio. It is suited for expressive narration and multi-speaker dialogue, with natural-language controls for speaking style and emotion.

Provider
OpenRouter
Availability
Available
Model ID
fish-audio/s2-pro
Snapshot
2026-08-28

Fish Audio: S2 Pro model overview

Fish Audio: S2 Pro is listed in the public Swarm catalog through OpenRouter. This page summarizes the verified catalog fields used by Swarm without claiming real-time access for every provider account.

Provider
OpenRouter
Family
OpenRouter
Context window
Not published
Thinking support
Not supported
Availability status
Available
Catalog ID
openrouter/fish-audio/s2-pro
  • Text input
  • Speech output
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Public catalog snapshot. Catalog availability is not a real-time provider status or an access guarantee.