Compare
Word timestamps against the faster local Whisper build.
| Field | WhisperX | faster-whisper |
|---|---|---|
| Vendor | m-bain | SYSTRAN |
| Type | Captions | Captions |
| Open source | Yes | Yes |
| License | BSD-2-Clause | MIT |
| Stars | 25,048 | 26,433 |
| Agents | Claude Code, Codex, Cursor | Claude Code, Codex, Cursor |
| Free tier | Self-host. No license fee under BSD-2-Clause. | Self-host. No license fee under MIT. |
| API | No | No |
Speech-to-text with word timestamps, the usual source for caption timing in agent edits. BSD-2-Clause.
CTranslate2 implementation of Whisper for local transcripts. MIT.