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 somethin

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 at the usage ratio of GPT3.5 turbo, gpt3.5 legacy, and GPT4, they realized that there is a decreasing rate of return for increasingly smart models - most people don't need a brilliantly intelligent assistant, they just need a not-dumb assistant. Obviously some practitioners of some niche disciplines (like ours here) would like a hyperintelligent AI to do all our work for us. But even a lot of us are on the free tier of ChatGPT 3.5; I'm one of the few paying $20/mo for GPT4; and idk if even I'd pay e.g. $200/mo for GPT5.