"understands" is not, as the author suggests, a matter of "semantics", it's one of the key concepts here. Objectively, don't we know that GPT-4 was built and t

"understands" is not, as the author suggests, a matter of "semantics", it's one of the key concepts here. Objectively, don't we know that GPT-4 was built and trained in a very similar way to GPT-3 and 3.5? Genuine question--that's true right? If so, the difference is one of degree, as opposed to kind.