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Speech model

S2 Pro

fish-audio/s2-pro

fish-audio/s2-pro is a text-to-speech model from Fish Audio you can call on the OceanToken API at $0.015 per 1,000 characters.

At a glance

Model IDfish-audio/s2-pro
TypeSpeech
PublisherFish Audio
Price$0.015 per 1,000 characters of input text
Endpoint/v1/audio/speech
API shapeOpenAI-compatible
In the catalog since2026-07-29

Call it

Base URL https://api.oceantoken.ai/v1, your OceanToken key as the bearer token, and the model ID above as model. The OpenAI SDKs work unchanged; see your first request.

curl https://api.oceantoken.ai/v1/audio/speech \
-H "Authorization: Bearer $OCEANTOKEN_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model": "fish-audio/s2-pro", "input": "Welcome to OceanToken."}' --output speech.mp3

Compared with similar models

Speech models on OceanToken closest to fish-audio/s2-pro in price. Every price is what you pay, in US dollars, with no platform fee on top.

ModelPublisherContextPrice (per 1K characters)
S2 ProFish Audio$0.015
Mai Voice 2 Flash
microsoft/mai-voice-2-flash
Microsoft$0.015
Qwen Audio 3.0 TTS Flash
qwen/qwen-audio-3.0-tts-flash
Qwen$0.015
Grok Voice TTS 1.0
x-ai/grok-voice-tts-1.0
xAI$0.015

More from Fish Audio

All Fish Audio models on OceanToken

Use it

Create an account All models and prices

Prices and capabilities on this page were read from the live OceanToken catalog on 2026-10-18 (UTC), when the documentation was built. If a price has changed since, the console's Models page shows the current one.