GP is most likely referring to VPCs with dedicated tenancy. Those are not free, and they're pricey [0]. [0]: http://docs.aws.amazon.com/AmazonVPC/latest/User

GP is most likely referring to VPCs with dedicated tenancy. Those are not free, and they're pricey [0]. [0]: http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/dedicated-instance.html