CRAIG BOEHMAN, Make Use Of; Can You Copyright a Photograph of Your AI Art?
"So you've created an AI-generated artwork. You've used only prompts. And by law, you can't copyright it, so what do you do?
You take a picture of it!
By taking a picture of the work, not only do you own the copyright of the photo, but you also enjoy all the other protections of copyright, including the right to use your photo commercially."