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Favicon for fish-audio

Fish Audio

Access 5 Fish Audio models through the OpenRouter unified API including Transcribe 1, S1, and S2 Pro. Compare pricing, context windows, benchmarks, and capabilities between different Fish Audio models.

Fish Audio tokens processed on OpenRouter

  • Favicon for fish-audio
    Fish Audio: Transcribe 1Transcribe 1
    3.24M characters

    Transcribe 1 is a speech-to-text model from Fish Audio. It is suited for audio transcription with automatic language detection and can return timestamped word-level segments when alignment details are requested.

    by fish-audioJul 29, 2026$0.0001/second
  • Favicon for fish-audio
    Fish Audio: S1S1
    61K tokens

    S1 is a multilingual text-to-speech model from Fish Audio. It is suited for voice applications that need broad emotional expression, using parenthetical controls to guide speaking style across its supported languages.

    by fish-audioJul 29, 2026$15/M UTF-8 bytes
  • Favicon for fish-audio
    Fish Audio: S2 ProS2 Pro
    149K tokens

    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.

    by fish-audioJul 29, 2026$15/M UTF-8 bytes
  • Favicon for fish-audio
    Fish Audio: S2.1 Pro Free (free)S2.1 Pro Free (free)Free variant
    10.8M tokens

    S2.1 Pro Free is the no-cost variant of Fish Audio S2.1 Pro, intended for testing, prototyping, and low-volume applications. It provides the same synthesis capabilities without production latency or availability guarantees.

    by fish-audioJul 29, 2026$0/M input tokens$0/M output tokens
  • Favicon for fish-audio
    Fish Audio: S2.1 ProS2.1 Pro
    4.9M tokens

    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 emotion.

    by fish-audioJul 29, 2026$15/M UTF-8 bytes

Frequently asked questions

OpenRouter serves 5 Fish Audio models behind one OpenAI-compatible API. Create an OpenRouter API key, point your client at https://openrouter.ai/api/v1, and set the model to an ID such as fish-audio/transcribe-1. The quickstart has request examples for every supported SDK.

S2.1 Pro Free (free) is available at no cost through the OpenRouter API.

Transcribe 1 is the most recently added Fish Audio model on OpenRouter, listed on July 29, 2026.