Board Thread:Questions and Answers/@comment-25784442-20141130034710/@comment-5553481-20141209205013

TennoHaineko wrote:

The big difference is that kidō isn't alive and everyone can do it. Sorry for pointing out the small tidbits, but a zanpakuto is not technically alive, just sentient.

Regarding the actual thread, I personally believe Ichibê to be stronger than Yamamoto, because otherwise Yamamoto would be the one to be called "Monk Who Calls the Real Name".