ChatGPT 5.2 has recently been churning through unsolved Erdös problems.
I think right now one is partially validated by a pro and the other one I know of is "ai-solved" but not verified. As in: we're the ones who can't quite keep up.
https://arxiv.org/abs/2601.07421
And the only reason they can't count Rs is that we don't show them Rs due to a performance optimization.