I'd bet that what he, and the competition, is realizing is that the bigger models are too expensive to run. Pretty sure Microsoft swapped out Bing for something a lot smaller in the last couple of weeks; Google hasn't even tried to implement a publicly available large model. And OpenAI still has usage caps on their GPT-4. I'd bet that they can still see improvement in performance with GPT-5, but that when they look a…
I think it's likely that they're out of training data to collect. So adding more parameters is no longer effective.
> most people don't need a brilliantly intelligent assistant, they just need a not-dumb assistant.
I tend to agree, and I think their pathway toward this will all come from continuing advances in fine tuning. Instruction tuning, RLHF, etc seem to be paying off much more than scaling. I bet that's where their investment is going to be turning.