Competitive in what? Advent of Code as I see it is widely regarded as a chance for people to learn a new programming language or to have fun. No one I know try to "compete" in AoC.
On the other hand, if ChatGPT provides a competitive edge in CodeForce problems then it would be worrying indeed.
On the other hand, if ChatGPT provides a competitive edge in CodeForce problems then it would be worrying indeed.