TL;DR Duolingo reported Q4 2025 revenue of $282.9 million (+35% YoY), closing its first billion-dollar year, breaking estimates again. The stock dropped 22.5% anyway. Again. The company plans to slow down monetization to grow to 100 million DAUs until 2028, by focusing on teaching quality, giving more to free users, and growing non-language courses. Duolingo’s Q4 2025 results confirmed something we highlighted in its 2025 review: growth is slowing. The company crossed a billion dollars in r

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Although Class Central lists online courses in 87 languages, courses made in English outnumber all of the others by more than six to one. English is therefore a useful language to know, even though some courses have subtitles in a range of languages. Earlier this year, we updated our list of courses to help improve your writing skills. These courses all assume some fluency in the language. But what if you do not know any English, or your English is very poor? If you do not have convenient acce

When Class Central covered the Coursera-Udemy merger completion, Hugo Sarrazin’s role was unclear. Not anymore. He’s joining Avalara, a tax and compliance company, as CEO. Here’s the thing. Neither an SEC filing nor a public post announced the departure of the 14-month CEO, which led Udemy to its first profitable year and the $2.5 billion all-stock merger. The Quiet Exit The Coursera-Udemy merger was completed on May 11, 2026. Coursera even released a completion 8-K once it was done. Sarrazin,