OpenRouter Models API
Fields: identity, description, modalities, context window, maximum output, pricing, supported parameters
S2.1 Pro
S2.1 Pro is a production-oriented text-to-speech model from Fish Audio. It is suited for multilingual voice applications, expressive narration, and dialogue synthesis, with open-ended natural-language controls for speaking style and…
- Context
- 0
- Max output
- Unknown
- Input
- $15
- Output
- $0.00
Recommended use cases
Strengths in this dataset
- 0-token context window
- text input
- 0 supported API parameters listed
Limits and caveats
- Provider behavior and pricing can change; verify the linked sources before production use.
Capability
Model-native facts
Model- Reasoning
- Unknown
- Open weights
- Unknown
Provider endpoint facts
Provider endpoint- Tool calling
- Not supported
- Structured output
- Not supported
- Streaming
- Unknown
- Prompt cache
- Unknown
- Batch
- Unknown
- Fine-tuning
- Unknown
S2.1 Pro Provider pricing
Provider endpoint: fish-audio/s2.1-pro
- Input
- $15 per 1M tokens
- Output
- $0.00 per 1M tokens
- Cached input
- Unknown per 1M tokens
- Image output
- Unknown per 1M tokens
Sources and verification
Frequently asked questions
Answers are generated from the same sourced model and provider facts shown above.
S2.1 Pro is a production-oriented text-to-speech model from Fish Audio. It is suited for multilingual voice applications, expressive narration, and dialogue synthesis, with open-ended natural-language controls for speaking style and…
Model specifications and prices may vary by provider and change over time. AIToolly displays sources and verification dates so users can confirm critical details before production use.