> For the sake of completeness, I’ve also included Keras in the figure below. It was released at around the same time as TensorFlow. But, as one can see, it’s t

> For the sake of completeness, I’ve also included Keras in the figure below. It was released at around the same time as TensorFlow. But, as one can see, it’s tanked in recent years. The short explanation for this is that Keras is a bit simplistic and too slow for the demands that most deep learning practitioners have Keras is nowadays the front-end to TF, so this paragraph doesn't make sense. In light of this misunderstanding the author's views don't carry a lot of weight.