Not proof but it does waggle it's eyebrows suggestively!

Like sure the marketing is undoubtedly overblown. But in 2025 there was no amount of money you could spend to make such impressive but weirdly unreadable progress.

Agreed but the math results don't seem out of reach for the publicly available models in 2026. Certainly, they have an unrefined but superior internal model. But the math results don't prove said internal model would be as big of a leap if released today as Mythos was when it was announced.