You can imagine a difference between 'the number of letters in the word prime' and 'the word prime has a prime number of letters' if one of those phrases was me

You can imagine a difference between 'the number of letters in the word prime' and 'the word prime has a prime number of letters' if one of those phrases was meant to meant 'the number if unique letters'. But that's working hard to apologize for ChatGPT's failings. Here's another failing: it was trained over a year ago, so it knows nothing of the current war in Ukraine. Nor today's weather for that matter.