GlobalBrainOne memory for all your AI tools
Tell Claude something on your phone, and ChatGPT knows it on your laptop, today and years from now. GlobalBrain keeps what matters to you in one private place that every AI tool you use can read and add to.
No card needed. Then $9.99 a month or $99 a year. See pricing
Every tool, one memory
Claude, ChatGPT, Codex, Claude Code and any tool that speaks MCP read and add to the same brain. Switch tools without starting over.
Organised for you
Every note is filed into your areas, with the people and topics linked. Search by meaning, or explore it all on your Brain Map.
Yours, and private
Only you and the tools you connect can reach it. We don't sell it or use it to train AI models. Download everything any time.
How it works
1Start your free trial
Two minutes, no card. Name your brain and choose its areas: the big parts of your life and work.
2Connect your AI tools
Claude, ChatGPT, Codex, Claude Code and more. Each one signs in once and shares the same memory.
3Just talk
Say “remember this” anywhere. It lands in your brain, filed by area, with the people and topics linked.
What would you like your AI to know about you?
Ideas for work, for you and for your family. Say any of these to a connected tool and it's saved.
Business
Deals, clients, investors and the work itself
Deals
Where each deal stands
“The buyer's diligence list is due March 3. The open item is the customer contracts.”
Clients
What each client cares about
“Our biggest client's CFO wants a one-page summary before every steering meeting.”
Fundraising
Investor conversations
“Met Sarah, a partner at a seed fund. Interested; wants three months of revenue first. Follow up in June.”
Work
Decisions, and why
“We chose the annual contract with Acme because it locks pricing for two years. Follow up with Priya on Friday.”
Operations
How things actually get done
“Freight from Miami takes six days. Book the container by the 15th to make the month-end delivery.”
Writing
Ideas worth writing about
“Post idea: what a three-person team can do with AI agents, and what broke along the way.”
Personal
Your health, fitness, money and next chapter
Health
Your health history
“Cholesterol was 182 at the March physical. Dr. Lee wants a recheck in six months.”
Fitness
Training and recovery
“Knee is better after two weeks of physio. Back to three runs a week, nothing over five miles.”
Nutrition
What works for you
“Aiming for 140g of protein a day. Eggs and Greek yogurt at breakfast keep me on track.”
Money
Money decisions
“Moved the emergency fund to the high-yield account in May. Review the college savings plan in January.”
Possibility
Your next chapter
“The Patagonia trek is February 9 to 14. Training: three hikes a week.”
Experience
Lessons worth passing on
“How I handle a hard conversation: say it early, in person, and say how you'll help.”
Family
Traditions, milestones, caregiving and the paperwork
Stories
Recipes and traditions
“Save Grandma's stuffing recipe, and the story of her first Thanksgiving in 1958.”
Family
Milestones and plans
“Lucas's first piano recital is May 10. Emma starts kindergarten September 4 and wants a dinosaur backpack.”
Health
Caring for a parent
“Mom's care conference is November 12. Her blood pressure medication is 10mg each morning; Dave and I alternate Sunday visits.”
Health
Family health history
“Dad had bypass surgery at 61. Mention it at my next physical.”
Family
Gifts and preferences
“Sarah's ring size is 6 and she loves anything from the farmers market. Dad wants a new fly rod for his birthday.”
Priorities
What the family needs to find
“The furnace is serviced by Valley Heating every October. The insurance papers are in the blue binder.”
One plan, everything included
Pricing and questionsGlobalBrain monthly
$9.99 a month
Billed every month. Cancel any time.
- One memory shared by all your AI tools: Claude, ChatGPT, Codex, Claude Code and more
- Every note organised for you into your areas, with people and topics linked
- Search by meaning, and your Brain Map
- Download everything, any time
GlobalBrain yearlyBest value
$99 a year
2 months free. Billed once a year. Cancel any time.
- One memory shared by all your AI tools: Claude, ChatGPT, Codex, Claude Code and more
- Every note organised for you into your areas, with people and topics linked
- Search by meaning, and your Brain Map
- Download everything, any time
Questions
What happens after the trial?
Subscribe to keep adding. If you don't, your brain becomes read-only: you and your tools can still read, search and export everything. Nothing is deleted.
Is my brain private?
Yes. Only you, and the tools you connect, can reach it. We don't sell your information or use it to train AI models.
Which tools work?
Claude (web, desktop and phone), ChatGPT, Codex, Claude Code, and any tool or agent that speaks MCP. See the guides.
Can I cancel?
Any time, in the app. Your plan runs to the end of the period you've paid for.