Forget your decisions?
BrainOS remembers.

What you're building, what you decided, and what comes next.

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You tell your AI
everything.

Every new chat
starts from zero.

So you explain it again.

And again.
And again.

AI remembers
the conversation.

BrainOS remembers
you and your work.

Without it

Every chat is someone's
first day at work.

With it

A colleague who was
there all along.

What you're building.

What you decided, and why.

What comes next.

One memory
across every AI.

Tell ChatGPT a decision on your phone. Claude knows it at your desk.

Just ask.

Stop re-explaining.

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Every AI

One memory
across every AI.

Every decision

Kept with
the reason why.

Open source · local first

Your memory
belongs to you.

Two ways in

Try BrainOS.

Private beta · in the cloud

In ChatGPT, Claude and Grok

One memory they all share, on every device. Connect once with sign in, no API keys.

Join the beta →

Open source · available now

In your editor

Claude Code, Cursor, Zed and any MCP client. Local first: it stays on your machine.

Then tell us what you think.

What it remembered, what it missed, what you wish it did. We read everything.