How strong is gladiator (marvel comics)

He is planet level at least considering we see him blow up a planet based on observation so it’s just gonna be empirically true he is planet level heres context 

In this storyline, Gladiator—the Praetor of the Shi'ar Imperial Guard—is traveling through deep space and passes a massive, lifeless, and ancient rock. The narrator notes that this particular planet was so durable it had "weathered the death of galaxies

It is also stated he was able to travel to earth at 100 speeds of light which is according to vs battle wiki

Context for the massively faster then light statement 

In this issue, the Fantastic Four attempt to flee from Gladiator, the formidable Praetor of the Shi'ar Imperial Guard. While they are escaping in their spaceship near Pluto, the Skrulls detonate a warship.Gladiator intercepts and contains the massive explosion with his own body to prevent the blast from destroying half the solar system. He then chases after the Fantastic Four's ship. While monitoring this chase, Reed Richards (Mister Fantastic) uses his sensors and explicitly remarks that Gladiator is flying through space toward Earth at a velocity of 100 times the speed of light.

This context also says he was taking a solar system busting attack so if he is also able to tank solar system blasts with his body he would be as durable as a solar system 

In conclusion I have gladiator at planet ap with solar system durability with massively then light speeds

How strong is gladiator? (Marvel comics continuity)