Now available for Windows

Zero friction. Just talk.

Lumi is a fully local, always-on AI voice assistant. GPU-accelerated, entirely private, and unrestricted.

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Engineered for power users

Every component is built from the ground up for speed, privacy, and seamless desktop integration.

100% Local

Speech-to-text and text-to-speech run purely on your machine. No cloud dependencies, no API calls, no subscriptions.

Always-On

Near-zero latency wake-word detection keeps Lumi ready to respond instantly, running silently in the background.

Unrestricted Control

Open apps, manage files, search the web, and change system settings effortlessly with natural voice commands.

Ambient UI

A sleek, floating HUD that stays out of your way. Minimal, beautiful, and only appears when you need it.

90+ tools. One voice.

From system commands to developer workflows, Lumi can control almost everything on your machine.

90+
Built-in tools
6
Integration categories
0
Cloud dependencies

System Control

Full control over your Windows desktop, apps, and processes.

Open AppsWindow FocusVolumeDisplayPowerShortcutsBluetoothUSB

File Management

Read, write, search, organize, and transform files effortlessly.

Read / WriteSearchOrganizeHashMetadataArchiveZip

Web & Network

Search the web, open URLs, scrape pages, and monitor network status.

Web SearchBrowserScraperDNSNetworkURL ToolsAPI Calls

Developer Tools

Execute Python, analyze code, run shell commands, and manage Git.

Python ExecShellGitGitHubCode AnalysisRegexDiff

Productivity

Notes, tasks, calendar, timers, reminders, and time tracking.

NotesTasksCalendarTimerSchedulerEmailBriefing

Media & Utilities

Image editing, screenshots, OCR, QR codes, audio, and more.

ScreenshotOCRImage EditMedia ControlQR CodeCalculatorPassword

From voice to action

A complete pipeline running locally on your GPU — from wake word detection to voice response in milliseconds.

01
Wake Word
Say "Hey Lumi" to activate
02
Whisper STT
GPU-accelerated speech recognition
03
Nemotron LLM
Local language model reasoning
04
Action Executor
System-level command execution
05
Piper TTS
Natural voice synthesis response

Privacy first

Your audio never leaves your machine. Lumi processes everything locally — from speech recognition to AI reasoning to voice synthesis. Total privacy, total security.

Zero cloud dependency
No telemetry or tracking
Open-source models
Offline capable