A new leak has now revealed OnePlus's plans for the rest of the year. Reportedly, the successor to the OnePlus 13 is in development and could be branded as the OnePlus 14 after all. The Ace6 series is expected to arrive later this year as well, and all of those smartphones may ultimately be joined by a new, compact tablet. https://www.notebookcheck.net/Leak-reveals-info-on-OnePlus-14-Ace-6-series-and-potential-OnePlus-compact-tablet.1024167.0.html
It won't be OP 14 they will skip to 15. 4 is a bad number in that culture.