Seems about the same to me and I have been using it daily for several months now for code, Spanish to English translations, and random stuff like film recommendations. The quality remains consistent.
I'm personally of the opinion that the observable jump in quality between 3.5 and 4 inflated people's initial assessment of its capabilities and with continued use they are noticing it's not actually the omniscient machine god that many are so inclined to believe.
Either way, these kinds of posts are meaningless without some kind of objective standard to judge the model by, everyone just sees what they want to see. Despite claims of GPT4 being nerfed, I've yet to see anyone actually show evidence of it. There have been dozens of studies done on its capabilities so this is something that can actually be demonstrated empirically if it's true.