kitio.aiAdded Oct 28, 2026
WhisperX
FreeFast Whisper transcription with word timestamps and speaker labels
What is WhisperX?
WhisperX is an open-source pipeline that adds word-level timestamps and speaker diarization to Whisper transcription and runs it much faster through batched inference. Developers and researchers use it to produce accurate, speaker-labeled transcripts and subtitles locally.
It combines faster-whisper for transcription, forced alignment with phoneme models for precise timing, and pyannote for identifying speakers. Output formats include SRT, VTT, JSON and plain text.
Features
- Batched fast transcription
- Word-level timestamps
- Speaker diarization
- Subtitle output
- Python and CLI
Tags
Releases
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Organization
Max Bain
Listed by kitio.ai · unverified owner
Pricing
- Pricing model
- Free
- Paid options from
- 100% free
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Pros and cons
Pros
- Much faster than stock Whisper
- Accurate word timings
- Speaker labels included
Cons
- Diarization needs a Hugging Face token
- Setup requires Python and a GPU
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Q&A
What is WhisperX?
WhisperX is an open-source pipeline that adds word-level timestamps and speaker diarization to Whisper transcription and runs it much faster through batched inference. Developers and researchers use it to produce accurate, speaker-labeled transcripts and subtitles locally.
How much does WhisperX cost?
WhisperX is 100% free.
Is there a free version of WhisperX?
Yes. WhisperX is completely free to use.
What are the main features of WhisperX?
Batched fast transcription, Word-level timestamps, Speaker diarization, Subtitle output, Python and CLI.
Who makes WhisperX?
WhisperX is made by Max Bain.
What are the best alternatives to WhisperX?
Popular alternatives include Whisper, Azure Speech, Wispr Flow.