compare
Fish Speech vs Piper
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Fish Speech | Piper |
|---|---|---|
| Language | Python | C++ |
| Licence | Other | GPL-3.0 |
| Stars | 33k | 5.8k |
| Latest | v1.5.1 | v1.8.0 |
| Last push | 2026-10-05 | 2026-09-28 |
| Release cadence | about 35 days between releases | about 13 days between releases |
| Active contributors | 5 commit authors on the default branch in the last 90 days | 9 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace ElevenLabs. Alternatives to ElevenLabs →
PartialFish SpeechMultilingual TTS with voice cloning, under a non-commercial licence.
PartialPiperFast offline voices that run on a Raspberry Pi, without voice cloning.
Fish Speech
- v2.0.0-beta2026-03-10Fish Audio S2 Betapre-release
- v1.5.12025-05-31V1.5.1
- v1.5.02024-12-25V1.5.0
- v1.4.32024-11-29V1.4.3
- v1.4.22024-10-25V1.4.2
Piper
- v1.8.02026-09-04Add Thai phonemizer using TLTK in the new th extra
- v1.7.02026-08-15Add Japanese phonemizer using OpenJTalk (pyopenjtalk-plus) in the new ja extra
- v1.6.12026-08-13Run the g2pW model through piper.g2pw_onnx instead of g2pw.api, dropping torch (~750 MB installed) and requests from th…
- v1.6.02026-07-23Add Hebrew phonemizer using Nakdimon
- v1.5.02026-07-17Add libpiper C++ CLI executable ported from the legacy Piper repository, plus a C++ test suite
Fish Speech
✓ signed The latest release, v1.5.1, carries a signature GitHub verified.
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Piper
unsigned The latest release, v1.8.0, carries no signature GitHub could verify.
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