In my view Altman represents the 'lets get lots of money' side of things and not much else. The deals with MS, ME financiers, SoftBank, a Jony Ive colab makes that pretty clear.
Maybe it's not that simple, but I'd say it's broadly correct.
I'd be willing to bet that between Sam's approach and the theorized approach of the OpenAI board we're discussing, Sam's approach has a higher chance of success.
The biggest breakthroughs in science do not come from those with the most money. It's all ideas.
About 1000x the complexity of GPT-3 and much slower would be the best guess right now.
That said I agree "human like" is unlikely, although LLMs and diffusion models are much closer than I was expecting.
Despite people calling them stochastic parrots and autocomplete on steroids, ChatGPT is behaving like it is trying to answer rather than merely trying to continue the text the user enters. I find this surprising.