Vince Zampella from Respawn Entertainment confirmed via Twitter that Titanfall matches will be 6 vs 6. It seems they tested out multiple player counts but the 6 vs 6 scenario gave them the best balance for the AI.
Following the announcement, many tweets starting rolling in claiming disappointment for this decision, and I agree. 6 vs. 6?? Come on Respawn! This is supposed to be a “next-gen” game, yet its using a player count from the late 90’s. Here’s some of the tweets commenting on Vince’s post: