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Orpheus TTS vs IndexTTS: catalog facts
Orpheus TTS	IndexTTS
Free Free to download and run yourself.	Free Free to download and run from the GitHub repository.
Command line	Command line
Emotion tags for expressive speech Realtime streaming example included	Zero-shot voice cloning from a reference sample Control over emotion and duration
No packaged desktop app; needs a Python setup Multilingual models are a research preview	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
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 26, 2026

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