It’s happening.The question is, what is the it that is happening? An impressive progression of intelligence? An expensive, slow disappointment? Something else? The evals we have available don’t help us that much here, even more than usual.My tentative conclusion is it’s Secret Third Thing. It’s a different form factor, with unique advantages, that is hard to describe precisely in words. It appears so far that GPT-4.5 has advantages in places like verbal intelligence, contextual adaptation, detai...