Always-On AI Assistant

TLDR:Lucy OS1 is designed to stay open in a tab or the Mac app — available the moment a thought occurs, a question surfaces, or a decision needs working through. Try Lucy OS1 for free — no credit card required.

How Lucy OS1 Helps

Designed to stay open

Lucy is built for continuous presence — the UI and experience are designed for an always-open assistant, not an occasionally-consulted tool.

Conversation, not Q&A

Talk to Lucy the way you talk to someone who is in the room with you — loosely, continuously, on any topic.

No wake word, no friction

Open Lucy and start talking. No trigger phrases, no typing required to begin.

Memory that accumulates throughout the day

As you tell Lucy things throughout the day, each conversation adds to the context for the next one.

Available by voice or text

Speak when you can. Type when you must. Lucy responds in voice either way.

Try Lucy OS1 — setup takes 15 seconds

Free tier available. Talk to Lucy in your browser right now.

Start Free

Free tier available. No credit card required.

Frequently Asked Questions

Does Lucy OS1 listen all the time?

The microphone is active when you are in an active Lucy OS1 session. You control when sessions are active. Lucy does not listen passively in the background outside of active sessions.

What is the battery and resource impact of keeping Lucy open?

Lucy OS1 uses your device's microphone and processes audio when you speak. During silence, resource usage is minimal. It is designed to remain open without significant impact on device performance.

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The Always-On AI Assistant Built for the Working Day