The original article has already been posted here, the discussion there might be interesting if someone can find it. The Register's click/ragebait framing isn't

The original article has already been posted here, the discussion there might be interesting if someone can find it. The Register's click/ragebait framing isn't very interesting. I don't really think people want these things to say "I don't know" - they want it to know. That's obviously not reasonable for everything but I bet a lot of hallucinations ARE things where the model should be able to know or figure out. Most people are asking questions with well-known answers. But I would guess the OpenAI post is correct, fundamentally they are trained in a way that rewards guessing, which I think must make it more likely it guesses even if the answer is in its reach.