Compare software

whisper.cppJulius
Free

Free and open source.

 Free

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

Windows, macOS, Linux, Command line Windows, macOS, Linux, Command line
  • Transcribes speech fully offline
  • No Python dependency
  • Supports dictation, grammar-based, and isolated-word recognition
  • Designed for real-time decoding
  • Mainly a command-line tool with no bundled graphical interface
  • Models must be downloaded separately
  • 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.