You're tragically misinformed; it isn't. Several metrics are actually growing exponentially. But if you want emprical information, you can just have al look at the nature of the late AI incidents.

Ironically, many benchmarks being maxxed out, and quite quickly, so new ones have to be created.

Do you have anything that proves this one way or another that isn't based on vibes or shoddy benchmarks?

Kind of but there's a lot of improvements available to the competitors catching up

Yeah, it's been over a week since a Millennium Problem was solved. AI has hit a wall.