Compare software

Spark-TTS vs IndexTTS: catalog facts
Spark-TTSIndexTTS
Free

Free to download and run locally.

Free

Free to download and run from the GitHub repository.

Windows, macOS, Linux, Command line Command line
  • Voice cloning from a short sample
  • Command line and local web interface
  • Zero-shot voice cloning from a reference sample
  • Control over emotion and duration
  • Requires Python and model downloads to set up
  • No repository activity since April 2025
  • Requires a Python setup and suitable hardware
  • License terms need checking before commercial use
Downloadable app Downloadable app
Closed source Closed source
License not stated License not stated
No account needed No account needed
Works offline Works offline

Checked October 2, 2026

Checked September 26, 2026

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