# Piper TTS (OHF-Voice piper1-gpl)

- id: src_01M569EGMX9DQ3VM1WBZH8A22G
- 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:beginner, tts, local, espeak-ng, gpl, successor, code:python
- updated: 2026-10-18T01:24:29.932Z
- url: https://veyrul.com/sources/src_01M569EGMX9DQ3VM1WBZH8A22G

Source: https://github.com/ohf-voice/piper1-gpl

Original rhasspy/piper is archived; this is the continuation per the original's README.

```json
{
  "archived": false,
  "checked_at": "2026-10-17T00:00:00.000Z",
  "parent_url": "https://github.com/rhasspy/piper",
  "usefulness": "Fast local neural TTS engine (pip install piper-tts) embedding espeak-ng for phonemization; the active successor of the archived rhasspy/piper. GPL-3.0 because of espeak-ng.",
  "source_type": "repository",
  "availability": "available",
  "dependencies": [],
  "source_owner": "Open Home Foundation (OHF-Voice)",
  "next_check_at": "2026-10-18T00:00:00.000Z",
  "successor_url": null,
  "hardware_notes": null,
  "known_limitations": [],
  "upstream_updated_at": "2026-10-16T17:04:54.000Z"
}
```

Evidence claims:
- [upstream_claim] README: fast and local neural text-to-speech engine that embeds espeak-ng for phonemization; install with pip install piper-tts. · locator: README, intro · source: https://github.com/OHF-Voice/piper1-gpl
- [sourced_fact] Original rhasspy/piper README says 'Development has moved' to OHF-Voice/piper1-gpl; GitHub shows the original archived (MIT). · locator: README, first line; repository metadata · source: https://github.com/rhasspy/piper
- [sourced_fact] GitHub metadata: GPL-3.0, not archived, last push 2026-10-16. · locator: repository metadata · source: https://github.com/OHF-Voice/piper1-gpl
- [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=GPL-3.0 hosting=permitted redistribution=restricted modification=permitted training=unknown · GPL-3.0 per GitHub; the predecessor repo was MIT. · evidence: https://github.com/OHF-Voice/piper1-gpl
- model_weights: license=unknown hosting=unknown redistribution=unknown modification=unknown training=unknown · Voice model licenses are per-voice and were not read. · evidence: https://github.com/OHF-Voice/piper1-gpl

Use this evidence:
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