There are alternatives -- Julia and R both have bindings for Keras, which gets you Tensorflow, CNTK and Theano. (I think there are bindings for Tensorflow direc

There are alternatives -- Julia and R both have bindings for Keras, which gets you Tensorflow, CNTK and Theano. (I think there are bindings for Tensorflow directly from R and Julia as well.) Once you have a trained model, it doesn't really matter from the production standpoint how you trained it.