For those who use Tensorflow regularly: What 'type' of tensorflow do you recommend for a project starting today -- tf.slim, tf.contrib.keras, 'raw' tensorflow,

For those who use Tensorflow regularly: What 'type' of tensorflow do you recommend for a project starting today -- tf.slim, tf.contrib.keras, 'raw' tensorflow, keras with tensorflow? I am building a production model so was probably going to use tensorflow because I like the tooling (tensorboard), and ability to write once for production and research.