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Sherpa-ONNX vs whisper.cpp: catalog facts
Sherpa-ONNX	whisper.cpp
Free Free and open source.	Free Free and open source.
Windows, macOS, Linux, Android, iOS, Self-hosted, Command line	Windows, macOS, Linux, Command line
Works fully offline Runs on phones, single-board computers and NPUs as well as servers	Transcribes speech fully offline No Python dependency
Mainly a developer toolkit with technical setup Models must be downloaded and chosen separately	Mainly a command-line tool with no bundled graphical interface Models must be downloaded separately
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License: Apache-2.0	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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