Toy size of Transformers Bumblebee?

I just bought the 2007 movie Deluxe Bumblebee. I measured and as a robot, he's 14cm tall. But Leadercl Optimus Prime is like 30cm++ (12inches)!! Bumblebee seems so small. Plus, with the upcoming 12inch Bumblebee, I am going crazy in which Bumblebee I should be having with Leadercl Optimus Prime & the other three Autobots! So can anyone tell me if the size of the deluxe cl one is correct and is in-line with the other autobots and that Bumblebee is really THAT small? (Jazz, Ratchet, Ironhide)