Compare software

Julius vs Whisper: catalog facts
Julius	Whisper
Free Free and open source under the BSD 3-Clause license.	Free Free and open source, including the model weights.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Supports dictation, grammar-based, and isolated-word recognition Designed for real-time decoding	Runs locally, so audio never leaves your machine Transcription, translation to English and language identification
Aimed at speech researchers and developers rather than general-purpose transcription users Requires speech and language models	Command-line and Python setup, no graphical interface Larger models are slow without a capable GPU
Downloadable app	Downloadable app
Open source	Open source
License: BSD-3-Clause	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 23, 2026

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