I wasn't going to bother trying those because I was pretty sure it wouldn't get any of them, but decided to give it an easy one (#4) and was impressed at the CoT.
Meanwhile, Google's newest 2.0 Flash model went 0 for 7.
1: https://metro.co.uk/2024/12/11/gchq-christmas-puzzle-2024-re...
Given the right prompt, though, I'm sure it could handle the 'find the corresponding letter from the landmarks to form an anagram' part. That's easier than most of the other problems.
You're saying the ultimate answer isn't 'PROTECTING THE UNITED KINGDOM'?
What do you mean? Is o1 not a single model?
There will probably be a 2.0 pro (which will be 4o/sonnet class) and maybe an ultra (o1(?)/Opus).
If they want a rematch, they'll need to bring their 'A' game next time, because o1-pro is crazy good.