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ZonosTortoise TTS
Free

Free open-weight model and code.

 Free

Free and open source under the Apache-2.0 license.

Linux, Self-hosted Windows, macOS, Linux, Command line
  • Voice cloning from a short reference sample
  • Trained on over 200k hours of multilingual speech
  • Emphasizes realistic prosody and intonation over raw generation speed
  • Apache-2.0 licensed for unrestricted local use
  • Needs Python setup and a capable GPU for comfortable speed
  • Early v0.1 release with a small commit history
  • 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.