I kinda have to have some understanding of this tech in order to advise clients and customers on how it works, but I literally cannot find good cases for this generalized code- or text generation LLMs.
I find the custom-trained Danish lexicon bot at chat.lex.dk quite useful. It is trained on paid academic experts' input, and only that, and refuses to answer when something is not in its sources. Very cool, but limited case. Very different from the claimed coming revolution.