Why ChatGPT keeps forgetting your family (and how to fix it for good)

You told it. Twice. Your youngest is allergic to nothing but hates everything. Swimming is Wednesday. You do not, under any circumstances, want a recipe with lentils.

And then it suggests a lentil bake for Wednesday.

You’re not imagining it.

Why it forgets

AI “memory” isn’t a filing cabinet. It’s more like a friend who half-listens and keeps a few notes.

The app decides what’s worth remembering. Not you.
Its own help pages say the memory summary won’t show everything it remembers, and some things get pushed to the background.
What you see depends on your plan and which project you’re in.
And sometimes it just goes. Enough people have had saved memories vanish that tech sites now run articles telling you to back them up by copying them into a document.

Read that last bit again. The official workaround for AI memory is: write it down somewhere else.

The fix: stop relying on its memory

Don’t make the AI remember your house. Give it your house to read.

Make one plain document. Call it whatever you like. Put in:

Who lives here. Roles are fine. “Two adults, two kids, a dog with opinions.”
The usual week. Drop-offs, pick-ups, sport, work-from-home days.
What matters. Food rules, standing commitments, the things that must never be missed.
Who owns what. Bins, sport admin, the dentist.
How you want it to sound. Brief, funny, no exclamation marks. Your house, your rules.

Then, every time you ask it something about the family, give it the document first. In ChatGPT or Claude you can put it inside a Project so it’s there automatically.

Why this is better than memory anyway

You can see everything it knows. Memory is a black box. A document isn’t.
You can fix it. Swimming moved to Thursday? Change one line.
It doesn’t leak. Your work chats don’t start suggesting soccer snacks.
It survives. Switch from ChatGPT to Claude next year, your house comes with you.

(Checked against both companies’ help pages, 19 October 2026. They move these settings around; the argument doesn’t change.)

The upgrade

A document you paste in is good. A house your AI can just look up whenever you ask is better.

That’s Ask The House (opens in a new tab). Your house, written down once, readable by the AI you already use. It doesn’t need to remember your family. It knows where to look.

Want to start with the free version? The Sunday Rundown guide has an interview prompt that writes those documents for you in about twenty minutes.