Fish S2 Pro

Name: Fish S2 Pro
Author: Fish Audio

NEW

by Fish Audio

Fish Audio's expressive multilingual voice model.

Fish S2 Pro delivers lifelike prosody across dozens of languages with strong zero-shot voice cloning from a reference sample. Serves through OpenRouter's speech API.

More details

Fish S2 Pro by Fish Audio is a standard-speed AI text-to-speech model. Fish S2 Pro delivers lifelike prosody across dozens of languages with strong zero-shot voice cloning from a reference sample. Serves through OpenRouter's speech API. Key capabilities include 274 voices across 12 languages, up to 4,096 characters per request.

Fish S2 Pro is priced at $0.02 per 1,000 characters of input text. You can generate speech with Fish S2 Pro on idapt.app alongside 200+ AI models in one workspace.

Voices

1 · 1 languages

Any of these voices can be paired with Fish S2 Pro. Pick a model for quality and speed, a voice for character and language.

Fish Default

Multilingual · Neutral

Pricing

Cost per 1,000 characters

$0.02

Typical paragraph (~500 chars)

$0.009

Billed on input text length

Capabilities

Speed

Standard: Balanced latency & quality

Emotion Control

Natural delivery only

Max Input

4,096 characters per request

Voices

1 voices · 1 languages

Generate speech with Fish S2 Pro View Details

Compare Fish S2 Pro with

GPT-4o Mini TTSOpenAI

Grok Voice TTSxAI

Gemini 3.1 Flash TTS PreviewGoogle AI Studio

Speech 2.8 HDMiniMax

Speech 2.8 TurboMiniMax

Speech 02 HDMiniMax

Frequently Asked Questions

Who created Fish S2 Pro?

Fish S2 Pro was created by Fish Audio.

How much does Fish S2 Pro cost?

Fish S2 Pro costs $0.02 per 1,000 characters of input text. A short paragraph of roughly 500 characters costs about $0.009.

How fast is Fish S2 Pro?

Fish S2 Pro is classified as a "standard" speed model. It balances synthesis latency and audio quality for general-purpose use.

What voices and languages does Fish S2 Pro support?

Fish S2 Pro supports 274 curated voices spanning 12 languages, including English, Chinese, Korean, Japanese, Spanish, and Portuguese. Every voice in the catalog can be used with this model.

Does Fish S2 Pro support emotion control?

Fish S2 Pro does not expose explicit emotion control. Delivery follows the natural intonation of the selected voice.

How much text can Fish S2 Pro synthesize at once?

Fish S2 Pro accepts up to 4,096 characters of input text per request. Longer documents are split automatically across multiple requests.

How does Fish S2 Pro compare to other TTS models?

Fish S2 Pro is one of several text-to-speech models available on idapt. Compare it with GPT-4o Mini TTS, Grok Voice TTS, Gemini 3.1 Flash TTS Preview and more on the audio models directory.

Where can I use Fish S2 Pro?

You can generate speech with Fish S2 Pro on idapt.app — in chat via the media tools, in hands-free voice mode, or through the public API. No separate API key required: idapt provides Fish S2 Pro alongside 200+ AI models in one professional workspace.

Generate speech with Fish S2 Pro