...rumored to have persistent memory- here’s what that means

A GPT-5.4 rumor was that the model can persist state.

Jeff Dean mentioned this on his @latentspacepod appearance, so clearly something the AI Labs are thinking about.

I'd bet there's a good chance they've discovered how to effectively integrate State-Space Models with… pic.twitter.com/OU19xad70i

— Dan McAteer (@daniel_mac8) March 3, 2026