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Whishper vs WhisperX: catalog facts
Whishper	WhisperX
Free Free and open source under the AGPL-3.0 licence.	Free Free to use from its GitHub repository.
Web, Self-hosted	Command line
Built-in subtitle editor with CPS warnings Transcribes from uploads or yt-dlp URLs	Word-level timestamps for subtitles and transcripts Speaker diarization identifies who is talking
Current version receives no new releases while a rewrite is in progress No user authentication yet	GPU setup with CUDA and cuDNN can take some troubleshooting Command-line and Python only, no graphical interface
Self-hosted	Downloadable app
Open source	Closed source
License: AGPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 24, 2026

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