GPT-5.2

> “a new knowledge cutoff of August 2025”

This (and the price increase) points to a new pretrained model under-the-hood.

GPT-5.1, in contrast, was allegedly using the same pretraining as GPT-4o.

A new pretrain would definitely get more than a .1 version bump & would get a whole lot more hype I'd think. They're expensive to do!