EdgeWhisper
Fully on-device macOS voice dictation on Mistral Voxtral — sub-500ms, offline, 13 languages
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edgewhisper.comAbout EdgeWhisper
EdgeWhisper is a macOS voice dictation app that runs its speech model entirely on the machine. It uses Mistral AI's Voxtral Mini 4B via MLX on Apple Silicon, which is what lets it claim sub-500ms latency with zero cloud calls, zero telemetry and no account required — the audio never leaves the Mac. The interaction is a single hotkey: press, speak, release, and formatted text is injected into whatever app has focus, which the vendor lists as including VS Code, Slack, Terminal, Safari, Mail, Notes and Google Docs. The AI layer does more than transcribe. Automatic punctuation, smart capitalisation and filler-word removal mean spoken "hey um just wanted to follow up on the project timeline uh I think we should push the deadline" arrives as a clean, punctuated sentence rather than a verbatim transcript — which is the difference between dictation being usable for email and being a novelty. A personal dictionary and a snippet library handle names, jargon and boilerplate. Thirteen languages ship out of the box and it works fully offline, on macOS 14 or later with Apple Silicon. The vendor publishes a direct feature comparison against Wispr Flow, macOS Dictation and Otter.ai, and the honest reading of it is that EdgeWhisper trades cloud-scale model quality for local privacy and offline operation while keeping the AI editing features cloud tools use as their differentiator.
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Key Features
EdgeWhisper Pros & Cons
✅ Pros
- +Genuinely offline, so it works on a plane and leaks nothing
- +AI auto-editing means output is usable prose, not a raw transcript
- +No account required at all, which is rare even among privacy-first tools
⚠️ Cons
- −Apple Silicon and macOS 14+ only — no Intel Mac, Windows or Linux
- −A 4B local model will trail frontier cloud ASR on hard audio
- −The free tier is daily-limited, so regular use needs the licence
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