system
A chat on subreddit /r/wallstreetbets
human
Better is arguable. AMC's allows for any theater type. MP is cheaper though.

gpt
Beyond including 3d or IMAX, AMC has no 2 week movie restrictions, and you can order ahead of time and not worry about an app working at the ticket window.  
  
 I guess it is 5 bucks more, but I think they're getting hammered pretty hard. I also found out about another company called Sinemia through their negative press that seems to offer a similar service but with different tiers.