Yes, you actually read that one right. According to an article by Gameinformer, AI controlled players will be making an appearance somewhere in DUST 514. To quote:
Teamwork-minded gamers can also upgrade their characters and hone their skills by engaging in horde mode-like battles against AI-controlled enemies.
So what exactly have CCP in store for us on this front? Maybe they decided to formalise the zombie mode they discussed in CAST 514 Ep 1 as part of training. I guess we will find out at Fanfest.