I was looking forward to this article, and it turns out to be glorious. Not only does it condense the feature set modern GPUs (sans RT/Neural stuff) down to a hypothetical 150 line API much more comprehensive than DX12 or VK, it also teaches you more about GPU architecture than you dared to ask.
https://www.sebastianaaltonen.com/blog/no-graphics-api
And as a so-called pro graphics programmer and demoscene afficionado, I want this. I SO want this. Someone make it happen :D