I've developed two tests for AI image generators to see if they've actually advanced to "the next level". Take literally
any AI image generator and give it one of these prompts:
"A flying squirrel gliding between trees": It won't be able to do it. Just telling it "flying squirrel" will often generate squirrels with bat wings coming off their backs.
Ahh, but that's just a tiny, specific thing missing from the data set! Surely that'll get fixed eventually as they add more training data...
"A fox girl hugging a bunny girl hugging a cat girl": The only way to make this work is with fancy stuff like Segment Anything (SAM) working with Stable Diffusion. Alternative prompts of the same thing:
"A fox girl and a bunny girl and a cat girl all hugging each other"
It's such a simple thing; generative AI can make three people hugging each other no problem. However, trying to get it to generate three different types of people in the same scene is really, really hard and largely dependent on luck.