Personally I can high pull more weight with a snatch-grip than with a clean grip.
In a clean grip HIGH pull the pulling range of motion is a bit longer and shoulder mobility makes it harder to pull it as high.
Just because you can clean more weight than you can snatch doesn’t mean that you can high pull more weight with a clean grip! You can clean more weight than you can snatch because in a clean you need to bring the bar only to the clavicle whereas in the snatch you need to bring it to overhead.
Furthermore, in the clean-grip HIGH pull you are more likely to pull with the arms, which increases the risk of injury (that’s how I tore my left biceps when I was still competing in weightlifting).