An open source neural machine translation system.


If you are using OpenNMT for academic work, please cite the initial system demonstration paper published in ACL 2017:

    title = "{O}pen{NMT}: Open-Source Toolkit for Neural Machine Translation",
    author = "Klein, Guillaume  and
      Kim, Yoon  and
      Deng, Yuntian  and
      Senellart, Jean  and
      Rush, Alexander",
    booktitle = "Proceedings of {ACL} 2017, System Demonstrations",
    month = jul,
    year = "2017",
    address = "Vancouver, Canada",
    publisher = "Association for Computational Linguistics",
    url = "",
    pages = "67--72",

Other papers were also published more recently:


Here is a list of selected papers using OpenNMT:

Find more references on Google Scholars.