User blog comment:Xilinoc/Ch. 552 - The Fundamental Virulence/@comment-4509522-20131010132123/@comment-11051098-20131011000415

Even with Bankai, they are severely outnumbered, yes. Now, Yamamoto and Unohana are dead, and 11 captains are left, against 22 Sternritters + Yhwach, all implied to be equal to a captain, or stronger. Although they have allies like Ichigo and Kisuke, the Gotei 13 are outnumbered.