Fishaudio: S1

fishaudio/s1

Context

Input

text

Output

audio

Tool calling

Not listed

About this model

Fish Audio S1 is a multilingual text-to-speech model capable of generating highly expressive speech. It utilizes a fixed vocabulary of preset emotion tags enclosed in parentheses at the beginning of sentences (e.g., sound effects, tone markers) to steer the emotion and delivery of the generated voice.

Compare Text-to-Speech Models Compare Audio Models

Input modalities

text

Accepted as model input

Providers

Available routing options for this model through OneInfer.

openrouter

Available

Text to speech

$15.000 / 1M characters

Routing

OneInfer optimized

Pricing

Current OneInfer pricing for this model.

Usage	Price
Text to speechTTS	$15.000 / 1M characters

Performance

Published evaluation results associated with this model.

No benchmark data is listed for this model.

API example

Refer Documentation

curl -X POST https://api.oneinfer.ai/v1/ula/generate-audio \
  -H "Authorization: Bearer YOUR_JWT_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
  "provider": "openrouter",
  "model": "fishaudio/s1",
  "prompt": "OneInfer makes AI inference simple.",
  "stream": false,
  "voice_id": "English_expressive_narrator",
  "format": "mp3"
}'