You can find all the model numbers for iPad Pro 12.9-inch (6th Generation) and iPad Pro 11-inch (2022, 4th Generation) on certain websites. There are four model numbers for iPad Pro 12.9-inch (6th Generation) - A2436, A2764, A2437, and A2766, and two model numbers for iPad Pro 11-inch (2022, 4th Generation) - A2759 and A2435.