¿Who is stronger, Vegito or Galactus?

Vegito is a prominent fusion character in the "Dragon Ball" series, resulting from the Potara earring fusion of Goku and Vegeta. This fusion combines their strengths, resulting in a warrior of exceptional power and skill. Vegito first appears during the "Majin Buu Saga" in "Dragon Ball Z," confronting Super Buu to rescue absorbed allies. In "Dragon Ball Super," Vegito reemerges as Vegito Blue, utilizing the Super Saiyan Blue transformation to battle the fused antagonist, Zamasu. His abilities include the Final Kamehameha, a fusion of Goku's Kamehameha and Vegeta's Final Flash, and the Spirit Sword, an energy blade technique. Vegito's fusion, achieved through the Potara earrings, was initially believed to be permanent; however, it is later revealed to last one hour for non-deity beings. Throughout the series, Vegito exemplifies the combined might and strategic prowess of Goku and Vegeta, making him a formidable force against powerful adversaries.

Galactus is a comic book character created by Marvel Comics and is known to be one of the publisher's most powerful and feared villains. He is a cosmic being who has come to Earth with the goal of consuming planets and becoming the supreme being in the universe. Galactus has a number of supernatural powers, including the ability to manipulate cosmic energy, the ability to control people's minds and behaviour, and the ability to summon cosmic creatures at will. He is also immortal and virtually indestructible, making him a formidable foe for any hero who confronts him.