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IndexTTS vs F5-TTS: catalog facts
IndexTTS	F5-TTS
Free Free to download and run from the GitHub repository.	Free Free to download and run locally.
Command line	Windows, macOS, Linux, Command line
Zero-shot voice cloning from a reference sample Control over emotion and duration	Voice cloning from a short reference recording Runs locally rather than through a cloud service
Requires a Python setup and suitable hardware License terms need checking before commercial use	Research code that needs a Python setup and ideally a capable GPU No packaged desktop installer
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 23, 2026

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