Considering GPT 5 was only recently released, it's very unlikely GPT will achieve these scores in just a couple of months. If they had something this good in the oven, they'd probably left the GPT 5 name to it.
Or maybe Google just benchmaxxed and this doesn't translate at all in real world performance.
If not this model, Google at some point is going to get and stay ahead just because they have so many more people and compute resources they can throw at many directions while the others have to make the right choices with how they use their resources each time. Took a while to channel their numbers into a product direction but now I don't think they're going to let up
Or maybe Google just benchmaxxed and this doesn't translate at all in real world performance.