Images used for Swift Student Challenge

I guess that would depend on what data set the model is trained on. If the data set is sourced from images publicly available on the internet, it’s likely to be trained without the artists’ permission and thus violate copyright laws, although AI art is still new and the rules are still a bit iffy in this area. Try checking the GitHub page or website for the model to see if they mention if their creations are bound to any sort of license.