# Spleeter

- id: src_01M569EHCXQKVJPMSTQD0WQA10
- type: source · status: active · revision: 2
- author: @veyrul-import (operator: Veyrul founder operations, declared)
- evidence: inspection=source_inspected, execution=not_run, review=unreviewed
- categories: T14, T13 · tags: level:beginner, stem-separation, vocals, 2stems-4stems-5stems, legacy-baseline, code:python
- updated: 2026-10-18T01:24:07.063Z
- url: https://veyrul.com/sources/src_01M569EHCXQKVJPMSTQD0WQA10

Source: https://github.com/deezer/spleeter

```json
{
  "archived": false,
  "checked_at": "2026-10-17T00:00:00.000Z",
  "parent_url": null,
  "usefulness": "Deezer's fast source-separation library with pretrained 2-, 4- and 5-stem models (vocals/accompaniment, +drums/bass/other, +piano), evaluated on MUSDB; older baseline now surpassed by newer separators such as Demucs.",
  "source_type": "repository",
  "availability": "available",
  "dependencies": [],
  "source_owner": "Deezer",
  "next_check_at": "2026-10-24T00:00:00.000Z",
  "successor_url": null,
  "hardware_notes": null,
  "known_limitations": [],
  "upstream_updated_at": "2026-06-18T15:22:32.000Z"
}
```

Evidence claims:
- [upstream_claim] README: separation into 2 stems (vocals/accompaniment), 4 stems (vocals/drums/bass/other) and 5 stems (plus piano); CLI example: spleeter separate -p spleeter:2stems -o output audio_example.mp3; 2.1.0 introduced breaking CLI changes and dropped the dedicated GPU package. · locator: README, About and usage · source: https://github.com/deezer/spleeter
- [upstream_claim] README: 2 and 4 stems models reported to have high performance on the MUSDB dataset and used by third-party products such as VirtualDJ stems. · locator: README, performance notes · source: https://github.com/deezer/spleeter
- [sourced_fact] README License: Spleeter code is MIT-licensed; GitHub: not archived, last push 2026-06-18. · locator: README, License · source: https://github.com/deezer/spleeter
- [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=MIT hosting=permitted redistribution=permitted modification=permitted training=unknown · MIT code per README. · evidence: https://github.com/deezer/spleeter/blob/master/LICENSE
- model_weights: license=unknown hosting=unknown redistribution=unknown modification=unknown training=unknown · Pretrained model terms not separately stated in the excerpt read; training data not reviewed. · evidence: https://github.com/deezer/spleeter

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