If that's your unique concern, then you could still use Ruby and consider using a wrapper for a ML library written in a faster language. Unless you want to be

If that's your unique concern, then you could still use Ruby and consider using a wrapper for a ML library written in a faster language. Unless you want to be writing ML algorithms yourself. If that's not the case, maybe you will find this interesting: "TensorFlow is coming to Ruby" - http://www.somatic.io/blog/tensorflow-is-coming-to-ruby http://www.somatic.io/blog/tensorflow-is-coming-to-ruby