OpenAI Memory: Behind the Walled Garden

ChatGPT's "Memory" feature is closed. Memories live in OpenAI's database, shaped by their extraction model, only retrievable inside ChatGPT.

What that means in practice

• Switch to Claude → memories don't follow
• Want to inspect what's stored → opaque
• Want to deploy "what ChatGPT knows about my project" to Cursor → can't

The lock-in

Memory is the new vendor lock-in. Whoever owns your memory layer owns the multi-AI workflow. mdfy bets on the opposite: memory you author, URLs you paste anywhere.