AI has told me that Biden was preparing for his upcoming debate with Trump. It told me that in May 2025.

AI has told me its not raining in my city and that in fact there was 0% chance of it that day. As I was looking out my open front door watching a heavy downpour.

that is an indictment of the implementations, not the fundamental limits of the architecture; most commercial LLMs now have web-searching available by default and can do both of those things, but couldn't when they were confined to the user's prompt and their training data (which was often not quite contemporary, until recently)