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Use them all. Keep one memory.

Claude remembers you for Anthropic. ChatGPT remembers you for OpenAI. A notes app remembers what you typed into it. Your palace remembers you for you, and every assistant you use reads the same memory.

QuestionMind PalaceMemory inside one assistantA notes app
Who reads itEvery assistant you connect: Claude, ChatGPT, Grok and MuseThat assistant onlyYou, and whatever you paste it into
Who saves to itEvery connected assistant, as you talk, without being askedThat assistant, in its own wayYou, by hand
When you switch assistantsNothing is lost. Connect the new one and it reads the same notes.You start overYou copy and paste
Where it livesA palace of your own, on a computer of its ownThe company's serversThe app's servers, usually
Who can open itOnly your passkey, once you lock it. Not us, not Google.You, and the company that runs itYou, and the app maker
Kept tidyEvery night. Filed into rooms, linked, old facts retired.Sometimes, in its own wayNo
Take it with youDownload or empty it any time, all of itThrough the company's settingsDownload, usually
Does things for you at the times you sayRoutines: say what and whenDepends on the planNo

The other two columns are general. Plans and features change, so check each company's own pages.

Any assistant. One memory.

Use whichever is best right now, Claude for one thing, ChatGPT for another. Switch without starting over. None of them owns what it knows about you.

Not instead of them. Under them.

Keep the assistants you like. Your palace is the memory they share, on a small computer that is yours, locked with your passkey. Download it or empty it any time.

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Free and invite-only while we build it. I have a code