Fact · Speech recognition
The WhisperX README lists the faster-whisper project as the backend it uses for batched inference.
Checked against its source on October 17, 2026
In the source's own words
“faster-whisper](https://github.com/guillaumekln/faster-whisper) backend”
WhisperX: README (GitHub, m-bain/whisperX), m-bain/whisperX project, GitHub (m-bain/whisperX), 2026, Features.
Open the original- What it measures
- A bullet in the WhisperX README feature list, next to its 70x realtime batched inference claim.
- What it does not show
- The README names the backend in a feature list. It does not give memory or speed figures for it beyond the 70x claim cited separately.