What AI means will change, what it refers to will change. Currently, the LLMs and other technologies are referred to as AI, like you say. In five years time we will have made huge leaps. Likely, this will result in technology also called AI.
In a similar vein, hover boards are still known as exactly that - like in films. Whereas the “real” hover board that exists has wheels. We didn’t stop calling the other ones hover boards, and if we ever get real ones they will likely also be called hoverboards.