Fish Audio S2 Pro Free is Fish Audio's language model. A second-generation TTS model trained on over 10 million hours of audio across approximately 80 languages, featuring inline tag control for natural-language style direction.
Specifications
Canonical IDfish-audio-s2-pro-free
TypeLanguage
StatusActive
CreatorFish Audio
Input ModalitiesText
Output ModalitiesText
Release Date · 6 months ago

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Fish Audio S2.1 Pro FreeAvailable
Fish Audio S2 Pro FreeCurrent
Fish Audio S2 ProAvailable

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
MiniMax Speech 2 HD
MiniMax Speech 2 Turbo
MiniMax Speech 2.6
MiniMax Speech HD 2.6
MiniMax Speech HD 2.8
MiniMax Speech Turbo 2.6
MiniMax Speech Turbo 2.8
Fish Audio S2.1 Pro
Fish Audio Speech 1.5
Fish Audio S1

Model IDs

fish-audio-s2-pro-free
fish-audio/s2-pro-free