They train on sneer-problems now:
Here’s the “ferry‑shuttle” strategy, exactly analogous to the classic two‑ferryman/many‑boats puzzle, but with planes and pilots
And lo and behold, singularity - it can solve variants that no human can solve:
https://chatgpt.com/share/68813f81-1e6c-8004-ab95-5bafc531a969
Two ferrymen and three boats are on the left bank of a river. Each boat holds exactly one man. How can they get both men and all three boats to the right bank?
Or swim back. However, the bot itself appears to have ruled out all of these options.