S2 Pro
fish-audio/s2-proS2 Pro is a multilingual text-to-speech model from Fish Audio. It is suited for expressive narration and multi-speaker dialogue, with natural-language controls for speaking style and emotion.
Pricing
Current model usage rates. Choose your plan to see its published prices.
| Usage | Pricing |
|---|---|
| Input · Text | US$15.9/ 1 MB |
Membership and model usage are billed separately. Compare plans
Capabilities
- Input
- Text
- Output
- speech
Providers
Model supply available through Vecbase.
Via OpenRouter
Access is subject to your account’s permissions and model availability.
Frequently asked questions
What is S2 Pro, and who develops it?
S2 Pro is a model from fish-audio. Its model ID on Vecbase is fish-audio/s2-pro. S2 Pro is a multilingual text-to-speech model from Fish Audio. It is suited for expressive narration and multi-speaker dialogue, with natural-language controls for speaking style and emotion.
How much does S2 Pro cost on Vecbase?
S2 Pro: Prices depend on your plan, usage type and any listed input thresholds. The pricing table shows current rates in USD; it is not an estimate of a past bill.
Which input and output formats does S2 Pro support?
S2 Pro accepts Text and produces speech.
Which providers make S2 Pro available through Vecbase?
Vecbase offers S2 Pro through OpenRouter. Availability may vary by provider.
Which model ID should an agent use to request S2 Pro?
Use fish-audio/s2-pro as the model identifier for S2 Pro. See Vecbase’s API documentation for authentication, required inputs and supported request formats.
What does an agent need to access S2 Pro through Vecbase?
To use S2 Pro, you need an authenticated account with the required permissions, sufficient balance and the relevant capability enabled. See the documentation for setup.
Is a release date available for S2 Pro?
We do not yet have a confirmed release date for S2 Pro.
Which models can I compare with S2 Pro on Vecbase?
You can compare S2 Pro with Kokoro 82M (hexgrad/kokoro-82m) and Aura-2 (deepgram/aura-2). Check their capabilities and prices to find the best fit for your task.