Sub-500ms latency
Audio streams to the engine while you speak, so the transcript is nearly done by the time you release the key. Text lands before you blink.
Your voice, turned into clean, ready-to-send text in real time — 3x faster than your fingers, with zero “ums,” typos, or cleanup.
Works in every app you already live in
Built for speed and privacy from the first millisecond. No bloat, no tracking — just the fastest way to get words out of your head.
Audio streams to the engine while you speak, so the transcript is nearly done by the time you release the key. Text lands before you blink.
History lives in a local SQLite file on your Mac. No screenshots, no telemetry, no cloud storage. Your words stay yours.
A fast LLM strips filler words, fixes punctuation, and applies your self-corrections — turning rambling speech into clean, shippable text.
A Metal-accelerated whisper.cpp engine is built in. Download a model and dictate on a plane, in a tunnel, or anywhere with zero connection.
Teach Superlumy the names, jargon, and acronyms you actually use. Fuzzy matching fixes them automatically, every single time.
Slack, VS Code, Gmail, Notion, your terminal — anywhere your cursor blinks. One global hotkey, system-wide, no integrations to set up.
No menus, no recording windows, no waiting. The whole flow is built around one held key.
Press and hold F9 anywhere on your Mac. Audio starts streaming the instant you begin — no app to open, no window to focus.
Talk naturally. Ramble, correct yourself, throw in the ums. The transcript builds live while voice activity is detected.
Let go. The final flush, AI cleanup, and clipboard paste happen in a few hundred milliseconds — clean text appears at your cursor.
Most dictation tools make you choose between speed and privacy. Superlumy refuses the trade-off — streaming transcription that keeps up with your voice, with an on-device engine for when you want nothing to leave your machine.
Create your account, open the app, and dictate your first sentence in under a minute. It's free to start.