User blog comment:B214/Question and Answers 4/@comment-24098614-20141004090912/@comment-1359322-20141021185648

First of all, the author never mentioned that Great Red is stronger than a Full power Ophis, so that is just speculation/fan theory.

Second, Great Red is a transcended being like Ophis, so is 666, so of course 666 is stronger than God.