[MattRix]

Just tried it and ChatGPT’s 4o model got it wrong like you said until I added the line “think step by step”, which is always a good idea for these kinds of logic puzzles.

ChatGPT o1 got the answer correct with no tweaks to the prompt.

[chikere232]

So it's great for answering questions you know the answer for and can guide it if necessary?