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CosyVoice vs Piper

The same facts for both, read from GitHub every night, and the relation a person reviewed.

CosyVoicePiper
LanguagePythonC++
LicenceApache-2.0GPL-3.0
Stars24k5.8k
Latestv2.0v1.8.0
Last push2026-05-252026-09-28
Release cadencetoo few releasesabout 13 days between releases
Active contributors0 commit authors on the default branch in the last 90 days9 commit authors on the default branch in the last 90 days
Flagsnonenone

How they relate

  • Both replace ElevenLabs. Alternatives to ElevenLabs →

    PartialCosyVoiceMultilingual TTS with zero-shot voice cloning and streaming output.

    PartialPiperFast offline voices that run on a Raspberry Pi, without voice cloning.