The rise of forums that utilize communication technology today is one of them using brainstorming method to facilitate discussion. Brainstorming is a method to explore the ideas of all participants in a forum. The purpose of this research is to understand the effectiveness and result of applying Brainstorming method between direct discussion and by using online method (group WhatsApp). The advantages of the brainstorming method is the pattern that allows each member of the discussion to express their opinions without fear or doubt. Braistorming is applied to direct and online discussions (using WhatsApp group) on Graduate students of Malang State University. The result shows that the brainstorming model is more applicable and effective on online discussion compared to direct discussion. In terms of language and psychology are also found flexibility and ease when using online discussions. It can be said that the use of Brainstorming methods is more effective and successful in online discussions.