Though they have a good gluten free pasta, I’m not sure the default is to prepare it separately from the other pastas. You have to be specific about your requests (fresh pot of water, chicken cooked on a separate pan, etc). The menu on the Olive Garden website more clearly lists the gluten free options than the paper menu. I can’t speak on cross contamination as I’m asymptomatic, but I would be cautious eating here.
— Not very
— Gluten-free items are marked on the main menu
— Some
— Good