CLI
WhisperX
WhisperX is an open-source AI command-line tool, launched in 2022, made for developers.
A transcription tool built on Whisper that adds word-level timestamps and speaker labels.
Main jobs: Speech to text. It is open source and free to use. You can use it in the terminal, offline on your own machine and on your own server.
Markdown version of https://godooo.ai/en/cli/whisperx. Every page on this site has one: add .md to its address.
At a glance
- Type
- CLI
- Launched
- 2022
- Galaxy
- Voice & Music
- Pricing
- Open source, free
- Open source
- Yes · BSD-2-Clause
- Source code
- github.com/m-bain/whisperX
- GitHub stars
- 24,222
- How you run it
- Terminal · Runs offline · Self-host
- Made for
- Developers
- Website
- github.com
What it can do
Speech to textmain jobunconfirmed
“fast automatic speech recognition (70x realtime with large-v2) with word-level timestamps and speaker diarization”— github.com, 2026-09-24
Subtitles and captionssupportedunconfirmed
“add --highlight words True to visualise word timings in the .srt file”— github.com, 2026-09-24
unconfirmedproposed by a machine, awaiting calibration
Alternatives
- DescriptFree plan + paid upgradesAlso does: Speech to text, Subtitles and captions; no code needed
- CapCut 剪映Free plan + paid upgradesAlso does: Subtitles and captions, Speech to text; no code needed
- WhisperOpen source, freeAlso does: Speech to text
- faster-whisperOpen source, freeAlso does: Speech to text
- Otter.aiFree plan + paid upgradesAlso does: Speech to text; no code needed
- whisper.cppOpen source, freeAlso does: Speech to text
- Fireflies.aiFree plan + paid upgradesAlso does: Speech to text; no code needed
- ElevenLabsFree plan + paid upgradesAlso does: Speech to text; no code needed
- MarkItDownOpen source, freeAlso does: Speech to text
- MistralOpen source, freeAlso does: Speech to text
- Adobe PodcastFree plan + paid upgradesAlso does: Speech to text; no code needed
- DoclingOpen source, freeAlso does: Speech to text
Connections
- Based on
- Whisper
Questions
What is WhisperX?
WhisperX is an open-source AI command-line tool, launched in 2022, made for developers. A transcription tool built on Whisper that adds word-level timestamps and speaker labels.
Is WhisperX free?
Yes. WhisperX is open source (BSD-2-Clause) and free to use.
Is WhisperX open source?
Yes, under the BSD-2-Clause license. The source code is at https://github.com/m-bain/whisperX.
Can WhisperX run locally?
Yes. WhisperX can run offline on your own machine. It can also be self-hosted on your own server.
What can WhisperX do?
Main jobs: Speech to text. It can also do: Subtitles and captions.
What are open-source alternatives to WhisperX?
Open-source ones: Whisper, faster-whisper, whisper.cpp, MarkItDown, Mistral and Docling. Others: Descript, CapCut 剪映, Otter.ai, Fireflies.ai, ElevenLabs and Adobe Podcast.
Sources
- github.com/m-bain/whisperXchecked 2026-09-24