the same as an Omega-level Mutant (E.G:Jean grey),the highest rank of mutants. I heared from a Mutant that is much more higher than that ! There are actually no official classifications of mutants of any kind. A group of people sat down together and wrote an article online about Omega, Alpha, Beta, and Gamma mutants, but their decisions have never officially been validated by Marvel. Check out the page on Mutants.