This is how you can group your items by their image similarity
If you wish to group your items in your feed by their similarity, you can use the action of Similar Images. This action is available only in the image URL column, and can be applied up to 5K items.
You have the option to Split to Auto groups so Feeditor will create the number of groups for similar items as the AI sees fit, or you Choose number of groups to your setting.
This is how the division will be displayed: