Characters have been power scaled pretty differently in the manga and anime. Gohan in the manga is stronger than his anime counterpart. I'm personally finding the recent scaling in the Manga to be pretty absurd. We see Master Roshi dodge punches from Jiren/ a being stronger than a God of Destruction (Note: Even if you consider Roshi to be a better martial artist, someone who wasn't even phased by the Timeskip, who is on guard all the time and dodges attacks from UI Omen Goku, is just absur.d).
Nevertheless, to answer your question, Gohan from the manga, is definitely not stronger than Vegeta from the manga. Vegeta in the manga scales up to Mastered Super Saiyan Blue Goku. Toppo stated during his fight with Vegeta in Manga Chapter 36, that Vegeta was relative to Goku in terms of sheer power. Hence, Gohan being stronger than Goku would technically make no sense and since Vegeta is as strong as Goku, I think it is still fair to assume the two of them are on the same level.