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

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