That’s really about the time and effort you put into the construction of the model and what you’re trying to model in the first place.

For the most part, the LLMs are really bad at building say - a cat with realistic long fur. However, they can be good coloborative tools teaching you how to use Blender to build a decent cat with realistic long fur for yourself - speeding up that learning curve quite a bit over reading “Blender for Dummies” examples and building from there…