You can “Create with AI” various types of diagrams, e.g., Flowchart, ER diagram, UML, etc. However, you cannot create a very powerful type of diagram that’s core to conceptual design and the very early stages of feature shaping. The Breadboard (from Shape Up).
More here.
To have AI make this for you based on a high-level prompt or a detailed list of text about the flow would be very useful and powerful when aligning with others on the relationships between the macro parts of an idea.
Related wish list item here.