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Fish Speech vs IndexTTS
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Fish Speech | IndexTTS |
|---|---|---|
| Language | Python | Python |
| Licence | Other | Other |
| Stars | 33k | 24k |
| Latest | v1.5.1 | v2.5.0 |
| Last push | 2026-10-05 | 2026-09-29 |
| Release cadence | about 35 days between releases | about 173 days between releases |
| Active contributors | 5 commit authors on the default branch in the last 90 days | 11 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.
PartialIndexTTSZero-shot TTS with voice cloning and control over duration and emotion.
Fish Speech
✓ signed The latest release, v1.5.1, carries a signature GitHub verified.
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IndexTTS
✓ signed The latest release, v2.5.0, carries a signature GitHub verified.
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