Yesterday, Rockstar Games posted on their official Twitter account that they will be releasing the Grand Theft Auto Online gameplay today at 6:45 AM PT (9:45 AM ET or 2:45 PM UK Time).
GTA Online Official Gameplay Video is coming tomorrow at 10am Eastern. http://t.co/OYmQSysAlW #GTAOnline
— Rockstar Games (@RockstarGames) August 14, 2013
In addition to this, GTA’s official website posted a teaser image. This indicates that a gameplay video will be posted soon, together with the initial information about GTA V.
As of the moment, the only available GTA Online preview is a short clip that shows a couple of seconds of the latter part of the gameplay. The said video was released last month.