Board Thread:Naruto Discussions/@comment-25516007-20141008201906/@comment-25464204-20141008205719

Jiraiya is stronger. Jiraiya in Sage Mode will beat Orochimaru

Also Jiraiya in Sage Mode gave Nagato pretty hard fight and nearly defeat Nagato.

According to Itachi and Kisame they will not to face the Sannin in battle, fearing that the very best they could do together against Jiraiya would end in a stalemate, even with reinforcements