Duolingo Launches 148 New Language Courses Expands Access to Popular Languages Including Japanese and Korean

Core Insights - Duolingo has launched 148 new language courses, more than doubling its current offerings and marking the largest content expansion in the company's history [1][8]. Company Expansion - The new courses make Duolingo's seven most popular non-English languages available to all 28 supported user interface languages, significantly expanding learning options for over a billion potential learners worldwide [2][5]. - The development of these courses was accelerated by advancements in generative AI, allowing the company to create and launch nearly 150 new courses in less than a year, compared to the previous timeline of about 12 years for the first 100 courses [3][4]. Learning Features - The new courses primarily support beginner levels (CEFR A1 – A2) and include immersive features such as Stories for reading comprehension and DuoRadio for listening comprehension, with more advanced content expected to roll out in the coming months [4][5]. Market Reach - The expansion allows Duolingo to better serve global learners, particularly in the growing demand for popular Asian languages like Japanese, Korean, and Mandarin, with new course availability for various language speakers across different regions [5][9].