High-quality 4-billion-parameter voice generation model with fine-grained parenthetical emotion control.
Fish Audio API pricing
Oxyy is an independent API gateway, not affiliated with Fish Audio.
On Oxyy, Fish Audio text to speech starts at $0.006 per 1K characters (Fish Audio S2.1-Pro) and speech to text starts at $0.144 per hour of audio (Fish Audio Transcribe 1), pay as you go. Fish Audio S2.1-Pro costs $0.006 per 1K characters, pay-as-you-go (standard price $0.015 per 1K characters). Fish Audio S2.1-Pro Free is free.
Fish Audio speech and transcription pricing
| Model | Type | Price | Saving | Released |
|---|---|---|---|---|
| Fish Audio S2.1-Pros2.1-pro | Text to speech | Standard price $0.015, on Oxyy $0.006per 1K characters | 60% | — |
| Fish Audio S2-Pros2-pro | Text to speech | Standard price $0.015, on Oxyy $0.006per 1K characters | 60% | — |
| Fish Audio S1s1 | Text to speech | Standard price $0.015, on Oxyy $0.006per 1K characters | 60% | — |
| Fish Audio S2.1-Pro Frees2.1-pro-free | Text to speech | Free | — | — |
| Fish Audio Transcribe 1transcribe-1 | Speech to text | Standard price $0.360, on Oxyy $0.144per hour of audio | 60% | — |
| Fish Audio Transcribe 1 Protranscribe-1-pro | Speech to text | Standard price $0.360, on Oxyy $0.144per hour of audio | 60% | — |
| Voice Design 1voice-design-1 | Text to speech | Not yet priced | — | — |
- The standard price is Oxyy's list price for the model before any discount. Fish Audio publishes its own prices on its pricing page.
Fish Audio API pricing FAQ
How much does the Fish Audio API cost?
On Oxyy, Fish Audio S2.1-Pro costs $0.006 per 1K characters at the pay-as-you-go price (standard price $0.015 per 1K characters). Speech to text starts at $0.144 per hour of audio. There is no subscription: you pay only for what you use.
What is the cheapest Fish Audio model?
For text to speech, Fish Audio S2.1-Pro is the lowest-priced Fish Audio model on Oxyy, at $0.006 per 1K characters. Prices for other model types use different units, so compare within a type.
Are there free Fish Audio models?
Yes. Fish Audio S2.1-Pro Free costs nothing to call on Oxyy.
Can I call Fish Audio models with the OpenAI SDK?
Yes. Oxyy's API is OpenAI-compatible: set the base URL to https://api.oxyy.ai/v1, use your Oxyy API key and pass the model id, for example "s2.1-pro", to /v1/audio/speech. Transcription models use /v1/audio/transcriptions.
Is Oxyy affiliated with Fish Audio?
No. Oxyy is an independent API gateway, not affiliated with or endorsed by Fish Audio. It gives you one API key and one bill for models from many AI labs, Fish Audio among them.
All Fish Audio models 7
Previous-generation S2 model with natural-language bracket control and multi-speaker dialogue.
Fish Audio's recommended production TTS model and an improved version of S2-Pro, with natural-language bracket control and multi-speaker dialogue.
The same model as S2.1-Pro, served at $0 for development and testing under a fair-use policy.
General-purpose transcription with optional timestamps and automatic language detection.
Multi-speaker conversation transcription with inline emotion and vocal-event cues.
Generates candidate voices from a natural-language prompt.
