Piper TTS
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A to Z
- A · App
- No
- B · Built By
- Community
- C · CEO & Politics
- [UNKNOWN]
- D · Date
- 2023
- E · Expertise
- Intermediate+
- F · Free Tier
- Yes
- G · Generates
- Text only
- H · Deployment
- On-Device
- I · Inputs
- Text
- J · Jurisdiction
- Open-source/community
- K · Key Staffers
- Mike Hansen (Creator)
- L · Languages
- English-primary
- M · Model Type
- Speech Synthesis
- N · Safety Issues
- Synthetic audio risks: voice cloning or impersonation misuse, copyright/style imitation concerns, and possible unsafe or biased outputs depending on deployment safeguards.
- O · Open Source
- Yes — open weights
- P · Pricing
- Free (open source; GPL-3.0 in its current home, piper1-gpl)
- Q · AIDb Rating
- [UNKNOWN]
- R · What Makes It Special
- Piper, a fast, local neural text-to-speech engine that uses espeak-ng for phonemization, with a command-line tool, web server, Python and C/C++ APIs and support for training new voices; its voice list covers 39 languages, and it is used by Home Assistant, the NVDA screen reader and other projects. Development moved from rhasspy/piper to the Open Home Foundation's GPL-3.0 piper1-gpl repository, installable with 'pip install piper-tts'.
- S · Stock / Status
- Research / open-source project
- T · Training Cutoff
- [UNKNOWN]
- U · Users
- [UNKNOWN]
- V · Voice Chat
- No
- W · Weights
- Downloadable
- X · X Handle
- [UNKNOWN]
- Y · Year Founded
- [UNKNOWN]
- Z · Bottom Line
- Open-weights Speech Synthesis from Community, released 2023.
Data completeness 77% · Last verified 2026-05-12 · Primary source ↗
Cite this
“Piper TTS.” AIDb — The AI Database. Verified 2026-05-12. https://theaidatabase.com/m/piper-tts.html
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