My experience with O1 has been very different. I wouldn't even say it's performing at a "good undergrad" level for me.
For example, I asked a pretty simple question here and it got completely confused:
https://moorier.com/math-chat-1.png https://moorier.com/math-chat-2.png https://moorier.com/math-chat-3.png
(Full chat should be here: https://chatgpt.com/share/66e5d2dd-0b08-8011-89c8-f6895f3217...)