Hybrid user interfaces that combine prompt-based inputs with a graphical user interface (GUI) can make AI image-generation tools more usable by reducing users’ cognitive load and improving discoverability.
Any type of innovation requires users to learn the new pattern. It's worth departing from convention only if you are sure that the new pattern will perform better than what is already available.
The kind of balance you use in your visual depends on what you want to convey. Symmetry is quiet and static. Asymmetry creates energy and movement. Radial balance leads attention to the central point.