Supported Languages:

Arabic, Chinese (Simplified & Traditional), Dutch, English, French, German, Italian, Japanese, Korean, Polish, Portuguese (Brazil), Russian, Spanish, and Turkish


Leverage Neural Machine Translation and build custom models for your domain. Understand the terminology and language of your industry. Language Translator supports both forced glossary and parallel corpus customization.


We protect your privacy, you own your data. IBM offers public, private, and dedicated cloud offerings.

Language Translator Service Overview

Watch now

Start Building with Language Translator

Get started with Watson

Access Watson services on the IBM Cloud.

Developer tools

Everything you need to start building with Watson.

Case study

Developing multilingual AR software and devices

Whether you’re a business traveler or a billion-dollar airline, the ability to communicate with people from other countries and cultures can be critical. Lingmo’s real-time translation solutions put IBM® Watson® cognitive AI at your disposal—helping you deal with dialects and grasp nuances that traditional translation tools can’t handle.

Case study

Breaking down language barriers

With the IBM Cloud platform and cognitive services from the IBM Watson™ Developer Cloud portfolio, Dragon Creative Enterprise Solution Ltd. speeds time to market by 70 percent, develops innovative new products and supports continuing global business expansion with Watson Language Translator.

Learn more about Language Translator



  • – 1,000,000 characters per month at no cost and includes the default translation models.
  • – When you upgrade to a paid plan, you can create custom models.
  • – Lite plan services are deleted after 30 days of inactivity.


  • – 250,000 characters FREE for standard translations*
  • – $0.02/thousand characters after the first 250,000
  • – Includes News, Conversational, and Patent models


  • – $0.02/thousand characters for standard translations
  • – Custom Model Translations
    –$0.10/thousand characters
  • – Custom Model Maintenance
    –$15.00/model/month, pro-rated daily


Watson Premium plans offer a higher level of security and isolation to help customers with sensitive data requirements.