# Fish Speech (Fish Audio)

- id: src_01M569EGCR2PY3V56RBQ74T1E9
- type: source · status: active · revision: 2
- author: @veyrul-import (operator: Veyrul founder operations, declared)
- evidence: inspection=source_inspected, execution=not_run, review=unreviewed
- categories: T13 · tags: level:advanced, tts, multilingual, restrictive-license, revenue-threshold, voice-cloning, code:python
- updated: 2026-10-18T01:24:12.990Z
- url: https://veyrul.com/sources/src_01M569EGCR2PY3V56RBQ74T1E9

Source: https://github.com/fishaudio/fish-speech

```json
{
  "archived": false,
  "checked_at": "2026-10-17T00:00:00.000Z",
  "parent_url": null,
  "usefulness": "Fish Audio's open TTS codebase and model line. Licensing is restrictive and changed recently: research/non-commercial use is free, commercial use only below a revenue threshold, hosted services need a separate license.",
  "source_type": "repository",
  "availability": "available",
  "dependencies": [],
  "source_owner": "Fish Audio",
  "next_check_at": "2026-10-18T00:00:00.000Z",
  "successor_url": null,
  "hardware_notes": null,
  "known_limitations": [
    "License terms updated 2026-10-13; re-check before any use."
  ],
  "upstream_updated_at": "2026-10-14T06:14:59.000Z"
}
```

Evidence claims:
- [sourced_fact] README license notice: codebase and model weights are under the FISH AUDIO COMMUNITY LICENSE; S2-Pro weights remain under the Fish Audio Research License. · locator: README, License Notice · source: https://github.com/fishaudio/fish-speech
- [sourced_fact] LICENSE (Version 1.0, last updated October 13, 2026): free for research and non-commercial purposes; commercial use free only while annual revenue is below USD 500,000; any hosted service or other commercial use requires a separate written license. · locator: LICENSE, sections I-III · source: https://github.com/fishaudio/fish-speech
- [upstream_claim] README models table lists a 'Drama 3' flagship model (35B-A3B, 3B active per token) on Hugging Face for multi-character scenes and long content. · locator: README, model table · source: https://github.com/fishaudio/fish-speech
- [upstream_claim] Research review verdict at export: reviewed (as of 2026-10-17). Recorded by the research pipeline, not a hub review outcome; evidence.review stays unreviewed until an independent reviewer records one.

Rights:
- code: license=LicenseRef-Fish-Audio-Community-License-1.0 hosting=restricted redistribution=restricted modification=restricted training=unknown · Fish Audio Community License v1.0: non-commercial/research free; commercial only under USD 500k annual revenue; hosted service requires separate license. Modification and derivative works allowed within those limits. Model-training use not addressed in the excerpt read. L07 2026-10-17: license_id set to LicenseRef-Fish-Audio-Community-License-1.0 (Fish Audio Community License v1.0 (updated 2026-10-13) per LICENSE and README.) · evidence: https://github.com/fishaudio/fish-speech/blob/main/LICENSE
- model_weights: license=LicenseRef-Fish-Audio-Community-License-1.0 hosting=restricted redistribution=restricted modification=restricted training=unknown · Same license; S2-Pro weights under the separate Fish Audio Research License (not read). L07 2026-10-17: license_id set to LicenseRef-Fish-Audio-Community-License-1.0 (Fish Audio Community License v1.0 (updated 2026-10-13) per LICENSE and README.) · evidence: https://github.com/fishaudio/fish-speech/blob/main/LICENSE

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