Compare software

Whisper vs Julius: catalog facts
WhisperJulius
Free

Free and open source, including the model weights.

Free

Free and open source under the BSD 3-Clause license.

Windows, macOS, Linux, Command line Windows, macOS, Linux, Command line
  • Runs locally, so audio never leaves your machine
  • Transcription, translation to English and language identification
  • Supports dictation, grammar-based, and isolated-word recognition
  • Designed for real-time decoding
  • Command-line and Python setup, no graphical interface
  • Larger models are slow without a capable GPU
  • Aimed at speech researchers and developers rather than general-purpose transcription users
  • Requires speech and language models
Downloadable app Downloadable app
Open source Open source
License: MIT License: BSD-3-Clause
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 23, 2026

Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.