Speech model
S2.1 Pro Free (Free)
fish-audio/s2.1-pro-free:free
fish-audio/s2.1-pro-free:free is a text-to-speech model from Fish Audio you can call free of charge on the OceanToken API, rate-limited.
At a glance
| Model ID | fish-audio/s2.1-pro-free:free |
|---|---|
| Type | Speech |
| Publisher | Fish Audio |
| Price | Free, rate-limited |
| Endpoint | /v1/audio/speech |
| API shape | OpenAI-compatible |
| In the catalog since | 2026-07-29 |
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/s2.1-pro-free:free", "input": "Welcome to OceanToken."}' --output speech.mp3
More from Fish Audio
- S1
fish-audio/s1 - S2 Pro
fish-audio/s2-pro - S2.1 Pro
fish-audio/s2.1-pro - Transcribe 1
fish-audio/transcribe-1
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.