The OnePlus 10 Pro will seemingly not be OnePlus's range-topping model for the year. As it appears, the OnePlus 10 Ultra is set to debut in the coming months with a Snapdragon 8 Gen 1 Plus.
https://www.notebookcheck.net/OnePlus-10-Ultra-to-debut-with-a-Snapdragon-8-Gen-1-Plus.610489.0.html