S1

Model Information
Slug s1
LLMs.txt View
Release Date July 29, 2026 New
Organization
Model Description
S1 is a multilingual text-to-speech model from Fish Audio. It is suited for voice applications that need broad emotional expression, using parenthetical controls to guide speaking style across its supported languages.
Available at 2 Providers
Provider Type Model Name Original Model Input ($/1M) Output ($/1M) Free Actions
OpenRouter
OpenRouter
Chat Code
S1
fish-audio/s1 $15.00 $0.00
Vercel AI Gateway
Vercel AI Gateway
S1
fish-audio/s1 $15.00 -