Lucy OS1 is the best AI for Windows users who want a persistent voice companion beyond the Microsoft ecosystem. It runs in Chrome or Edge with no installation, provides permanent personal memory that Cortana and Copilot do not offer, and is available to any Windows user regardless of their Microsoft 365 subscription status.
Try Lucy OS1 →Windows users in 2026 have Copilot built into the taskbar and Cortana deprecated. Copilot handles Microsoft 365 tasks well but is not designed as a persistent daily voice companion. Lucy OS1 fills this role for Windows users who want a voice AI that knows them across months of use.
Open Chrome or Microsoft Edge on Windows and navigate to Lucy OS1. Create a free account and allow microphone access when prompted. The full voice experience is available immediately in any browser. For fast access, pin the Lucy OS1 website as a browser shortcut in your taskbar. The experience works on Windows 10 and Windows 11.
Windows Copilot is integrated into the Windows 11 taskbar and provides quick access to AI assistance within Microsoft 365 apps. Its persistent personal memory is limited. Lucy OS1 provides the always-on personal memory and daily voice companion experience that Copilot does not. For users who want a persistent relationship with their AI across months of use, Lucy OS1 is the more appropriate choice.
Yes. Lucy OS1 works with any audio input device that Windows recognises: built-in laptop microphones, USB headsets, gaming headsets, and professional USB microphones. For the best voice recognition quality, a directional microphone or headset with a boom mic provides cleaner audio than a built-in laptop microphone in a noisy environment.
Lucy OS1 runs in both Chrome and Microsoft Edge on Windows. No installation required.
Compatible with all Windows audio input devices from built-in laptop mics to professional USB microphones.
Pin the Lucy OS1 site as a taskbar shortcut in Chrome or Edge for instant one-click access during your workday.
Lucy OS1 is free to start. No credit card required. Open it in your browser on any device and begin a real voice conversation immediately.
Start talking to Lucy →Does Lucy OS1 require Windows 11?
No. Lucy OS1 runs in any modern browser on Windows 10 and Windows 11.
Is Lucy OS1 available as a Windows app?
Lucy OS1 currently runs as a web app in Chrome or Edge. A native Windows desktop app is not currently available.
Does Lucy OS1 conflict with Windows Copilot?
No. Lucy OS1 and Windows Copilot can be used simultaneously. Many Windows users use both: Copilot for Microsoft 365 tasks and Lucy OS1 for daily conversation and personal memory.
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