The issue isn't objective quality or realism, it's sticking to a specific style consistently.
_Everyone_ (and their grandmother) can instantly tell a ChatGPT generated image, it has a very distinct style - and in my experience no amount of prompting will make it go away. Same for Grok and to a smaller degree Google's stuff.
What the industry needs (and uses) is something they can feed a, say, wall texture into and the AI workflow will produce a summer, winter and fall variant of that - in the exact style the specific game is using.
The issue isn't objective quality or realism, it's sticking to a specific style consistently.
_Everyone_ (and their grandmother) can instantly tell a ChatGPT generated image, it has a very distinct style - and in my experience no amount of prompting will make it go away. Same for Grok and to a smaller degree Google's stuff.
What the industry needs (and uses) is something they can feed a, say, wall texture into and the AI workflow will produce a summer, winter and fall variant of that - in the exact style the specific game is using.
I think txt2img and img2img are terms to find those uses.
And comfyUI workflows. People have been doing this for awhile now.
If we're talking about texture upscaling alone (I suppose that's what the parent comment means), Nano Banana is a huge overkill.