Compare software

CosyVoice vs Tortoise TTS: catalog facts
CosyVoiceTortoise TTS
Free

Free and open source.

Free

Free and open source under the Apache-2.0 license.

Linux, Self-hosted Windows, macOS, Linux, Command line
  • Zero-shot voice cloning across multiple languages
  • Includes training and deployment code, not only inference
  • Emphasizes realistic prosody and intonation over raw generation speed
  • Apache-2.0 licensed for unrestricted local use
  • Requires Python setup and a GPU for practical use
  • Aimed at technical users rather than casual listeners
  • Notably slower to generate speech than many newer TTS alternatives
  • No repository update reflected since late 2024
Downloadable app, Self-hosted Downloadable app, Self-hosted
Open source Open source
License: Apache-2.0 License: Apache-2.0
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 26, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.