... compared to humans? Yes. This is a philosophical conundrum which you tie yourself up in if you choose to postulate the artificial intelligence as equivalent to, rather than a simulacrum of, human intelligence. We fly (planes): are we "smarter" than birds? We breathe underwater: are we "smarter" than fish? And so on.
How do you discern that the "other" has an internal representation and dialogue? Oh. Because a human programmed it to be so. But how do you know that another human has internal representation and dialogue? I do (I have conscious control over the verbal dialogue but that's another matter), so I choose to believe that others (humans) do (not the verbal part so much unfortunately). I could extend that to machines, but why? I need a better reason than "because". I'd rather extend the courtesy to a bird or a fish first.
This is an epistemological / religious question: a matter of faith. There are many things which we can't really know / rigorously define against objective criteria.