Stuff a lot simpler than GPT-3 has been called AI by people much more accomplished than you for a lot longer than you've been alive. The term is not ambiguous,

Stuff a lot simpler than GPT-3 has been called AI by people much more accomplished than you for a lot longer than you've been alive. The term is not ambiguous, "Intelligence" does not exclusively mean human-level or human-like intelligence, and trying to redefine it now would only cause confusion.