What are ‘normal humans’? If I take 5 humans at random from a non university town, I am willing to bet up to $1 they cannot distinguish this now when generated with gpt3.
I struggled with that phrasing because it wasn't immediately obvious to me how to describe a class of people capable of judging the problem but who wouldn't be biased in some manner. I'd readily submit that no human could determine the difference, but I'm not ready to pay the testing costs...