of models so next we might want your how exactly do generative models work and in particular how do generative adversarial networks compare in terms of the way that they work to other models it's easiest to compare many different models if I describe all of them as performing maximum likelihood there are in fact other approaches to generative modeling besides maximum likelihood but for the purpose of making a nice crisp comparison of several different models I'm going to pretend that they all do maximum likelihood for the moment and