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fish-audio

Fish Audio: Transcribe 1

Source description (English)

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.

View source on OpenRouter

Overview

Model specifications

Context: Not provided
Maximum output: Not provided
Architecture: audio->transcription
Tokenizer: Other
Knowledge cutoff: Not provided
Moderated: No

OPENROUTER

Complete pricing

Synchronized OpenRouter rates. Token prices are shown per one million tokens.

Audio seconds: $0.0001

API

Quick start

Set OPENROUTER_API_KEY locally. Python requires requests; JavaScript runs in Node.js. Keep the key on the server.

API documentation

curl --fail-with-body https://openrouter.ai/api/v1/audio/transcriptions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -F 'model=fish-audio/transcribe-1' \
  -F 'file=@audio.wav'

Capabilities

Input → Output

Input

audio

Output

transcription

API

Supported API parameters

Available providers

1 Provider

Checked: September 7, 2026

Live providers on OpenRouter

Provider availability, latency, throughput and routing can change continuously. Open the source page for current operational data.

Fish Audio

Not provided

Context: Not provided
Maximum output: Not provided

fish-audio

4 models

Released Jul 29, 2026

Fish Audio: S1

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...

Context: Not provided
Input: text
Output: speech

UTF-8 bytes: $15 per million UTF-8 bytes

View model details →

Released Jul 29, 2026

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.

Context: Not provided
Input: text
Output: speech

UTF-8 bytes: $15 per million UTF-8 bytes

View model details →

Released Jul 29, 2026

Fish Audio: S2.1 Pro Free (free)

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...

Context: Not provided
Input: text
Output: speech

Input: Free per 1M tokensOutput: Free per 1M tokens

View model details →

Released Jul 29, 2026

Fish Audio: 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: Not provided
Input: text
Output: speech

UTF-8 bytes: $15 per million UTF-8 bytes

View model details →