“The other big thing that's going to come way before actions is memory. We're going to nail memory. I mean, I'm really confident 2025 memory is done, permanent memory.”

Mustafa SuleymanCEO

CEO, Microsoft AI

Persistent memory did ship broadly during 2025 across Copilot, ChatGPT and Gemini, making personalization mainstream as he predicted. But memory was not 'done': recall remains selective and unreliable, and long-term memory is still an active research problem rather than a solved one.