User blog comment:CROWMETA13/Ending of season 11/@comment-27016424-20160418055843/@comment-26271908-20160503012939

Castiel didn't gained the powers of God. Death himself said that. Castiel surely became stronger than Raphael and Gabriel, but, as Lucifer and Michael are older, thus, stronger, I can't say if it's sure. I would bet that he entered in the same league as Lucifer, stronger than most beings, but still inferior in power to Michael, God, Amara, Death or any other super freaking-powerful creature that existed a long time ago and we simply didn't know