One of the better ones but in all honesty a random ass vibed site that's on front page because Karpathy

It is true and it is worth pointing out. Still, you have to admit that what he did here shows the distance of how easy it is to get from prompt to a working prototype if you have a clear idea of what you want to do (edit: his blog claims 3h.. which seems like a neat outcome if it includes gathering hn info from scratch ).