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faster-whisper vs WhisperX

The same facts for both, read from GitHub every night, and the relation a person reviewed.

faster-whisperWhisperX
LanguagePythonPython
LicenceMITBSD-2-Clause
Stars26k25k
Latestv1.2.1v3.8.6
Last push2026-10-162026-10-18
Release cadenceabout 115 days between releasesabout 7 days between releases
Active contributors7 commit authors on the default branch in the last 90 days3 commit authors on the default branch in the last 90 days
Flagsnonenone

How they relate

  • Both replace Whisper. Alternatives to Whisper →

    Full replacementfaster-whisperReimplementation of Whisper on CTranslate2 that loads the same models and runs several times faster with less memory.

    Full replacementWhisperXAdds word-level timestamps, voice activity detection and speaker diarization on top of faster-whisper.