Key Highlights
- Duolingo launched 148 new AI-made language courses
- Courses are now available in 28 different app languages
- AI will play a big role in how Duolingo works and hires
Duolingo has just taken a giant leap forward with the launch of 148 new language courses, its biggest content update ever. What makes this expansion even more exciting is that all the new courses were built using Duolingo’s own AI tools. Here’s everything you need to know about Duolingo’s AI-powered upgrade.
Also Read | Duolingo Delight: Top Five Features For Effortless Language Learning
Biggest Course Launch In Duolingo’s History

- Duolingo added 148 new language courses, more than doubling its total offerings.
- These courses were created in under a year using generative AI, a huge jump from the traditional process, which usually took years for just one course.
Powered By AI, Built For Speed
- The platform used a new AI system called “shared content systems”, where a base course is created and then adapted into other languages.
- This AI approach allowed the company to quickly scale and improve access to quality content.
Available In 28 User Interface Languages
- The expansion ensures that Duolingo’s seven most popular non-English languages, Spanish, French, German, Italian, Japanese, Korean, and Mandarin, are now accessible across 28 UI languages.
- This means over a billion global users can now learn in a language they are comfortable with.
More Learning Options For All

- New courses let Spanish and Portuguese speakers learn Japanese, Korean, and Mandarin.
- European language speakers can now access more Asian language courses.
- Asian language users, who earlier only had English options, now have access to all top non-English languages.
- All of the most popular non-English languages are now available to Asian language users, who previously had just English alternatives.
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What This Means For Learners
Duolingo’s AI-first shift makes language learning faster, smarter, and more accessible. With more language combinations now available, learners from all over the world can connect and grow like never before.
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