OnePlus is currently believed to have a late-2021 flagship refresh called the 9RT nearly ready to go. A model number previously linked to this putative smartphone has just popped up again in a new leak. It has appeared on Geekbench this time, in a listing that suggests its premium specs include the Snapdragon 888 SoC.
https://www.notebookcheck.net/The-OnePlus-9RT-emerges-on-Geekbench-with-the-Snapdragon-888-processor.569445.0.html