Overview of Duolingo’s battle for learning in an AI world
In this Rapid Response interview, Duolingo CEO and co-founder Luis von Ahn discusses how the company is adapting to an AI-shaped future while staying true to its mission: getting billions of people to keep learning. He reflects on the backlash to his internal AI memo, explains why Duolingo is prioritizing user growth over revenue in 2026, and argues that AI should help people learn better—not replace the need to learn at all. The conversation also covers Duolingo’s playful brand, its expansion beyond languages, and why motivation matters more than raw instruction quality.
Key takeaways
- Duolingo’s core belief: learning works best when people are both well taught and entertained enough to keep going.
- AI is a tool, not the goal: von Ahn says AI should improve learner outcomes and employee productivity, but never at the expense of quality.
- The 2024 AI memo was misunderstood: he intended to encourage AI adoption, not signal layoffs or replacement of workers.
- 2026 strategy shifts toward growth: Duolingo plans to emphasize user growth over revenue growth because the company sees a major opportunity as AI reshapes education.
- Quality still matters more than speed: Duolingo will not use AI if it lowers the craft or reliability of its product.
- Duolingo wants to be more than a language app: it is expanding into subjects like math, music, and chess where learning is long-term and meaningful.
- The long-term mission is bigger than monetization: von Ahn believes the best educational company will also be the best business over time.
AI, learning, and the future of education
Learning still requires effort
Von Ahn argues that AI will change how people learn, but not eliminate the need to learn. He notes that people still need to build knowledge and skills, whether for work, study, or personal growth.
Motivation beats format
His biggest lesson about teaching is that the hardest part is not content delivery—it’s keeping people motivated. Duolingo uses fun, streaks, progress, and gamification to keep users returning, but he says there are many valid ways to motivate learners.
AI has limits
He is enthusiastic about AI, but realistic about its shortcomings:
- It can look impressive in demos but fail at scale.
- It may produce “slop” when generating large volumes of content.
- It still falls short in areas like design, art, and high-polish creative work.
- In coding, AI helps, but it has not yet replaced engineers or produced the dramatic productivity boost some predicted.
Duolingo’s business strategy and monetization
Why prioritize user growth now
Von Ahn says Duolingo is focusing more on user growth in 2026 because:
- AI may allow the company to teach far better than before.
- User growth slowed somewhat in late 2025.
- He wants Duolingo to capture as much of the expanded learning market as possible.
Freemium remains the model
- Roughly 90% of monthly active users are free.
- Roughly 10% pay, but they generate about 90% of revenue.
- He says Duolingo could easily raise monetization with more ads or friction, but that could hurt the long-term user experience.
Brand, marketing, and expansion beyond languages
The “unhinged” brand still matters
Duolingo’s social media antics—especially around its owl mascot, Duo—have been a powerful growth engine. But von Ahn says the company is trying to balance:
- playful, viral marketing
- with clearer messaging that Duolingo actually works
New subjects reflect a broader mission
Duolingo now offers more than languages, including:
- Math
- Music
- Chess
Von Ahn says the company wants to teach subjects that matter to people and take real time to learn. Languages remain the largest category globally, but he sees room for other subjects to grow.
Company culture and hiring
A practical test for character
Von Ahn recounts a hiring practice where the company would ask a driver who had transported candidates whether they were respectful and kind. The lesson: when hiring, Duolingo prefers “a hole over an a-hole.”
Internal AI culture is young and adaptable
He says Duolingo’s younger workforce has generally been receptive to AI, especially because the company frames AI use as serving learners, not just reducing costs.
Notable insights and quotes
- On learning and motivation: “The hardest thing is keeping people motivated.”
- On AI and education: “People still need to learn stuff.”
- On AI use at Duolingo: AI should be used “for the benefit of our learners.”
- On company mission: he hopes Duolingo can help billions of people spend time on “more meaningful things” than endless scrolling.
- On the long view: he believes education and business success are aligned over time, even if they conflict in the short term.
Bottom line
Luis von Ahn’s argument is optimistic but disciplined: AI will transform education, but only companies that protect quality, motivation, and learner value will win in the long run. Duolingo’s bet is that fun, habit-building, and broad accessibility will matter even more in an AI-saturated world—and that helping people learn is still a better business than simply maximizing short-term revenue.