A renowned Twitter leaker suggests that OnePlus has no plans to release a Pro version of the OnePlus 8T. The information falls in line with an earlier leak that tells us about some of the phone's specifications. OnePlus will likely replace it with an affordable smartphone.
https://www.notebookcheck.net/Leak-suggests-that-OnePlus-will-not-release-the-OnePlus-8T-Pro-this-year.492363.0.html