Battlefield 4 open beta to begin 1st October and will be available on PC, PlayStation 3 and Xbox 360. This info comes from chief operation officer Peter Moore.
Anyone who purchase the Battlefield 4 digital deluxe pre order version from Origin or Medal of Honor Warfighter will gain access to the multiplayer beta.
Also mentioned in the post is the ability to buy on current generation and then upgrade later to next generation for a small fee. Allowing players to get a head start if they are not planning to purchase next gen right awayPolygon EA