Duolingo’s share price has tumbled roughly 73% since its late‐2021 peak, prompting concerns over sustainability; however, the core business continues to show resilience. In its most recent quarter, monthly active users climbed 15% year‐over‐year to 75 million, while paid subscriber count rose 20% to 8 million. Revenue streams remained diversified: subscription services accounted for 60% of top‐line growth, in-app purchases contributed 18%, advertising 12%, and the Duolingo English Test 10%. Operating margin held steady at 12%, underscoring efficient cost control despite increased R&D investment in artificial intelligence features.

Duolingo is leveraging a suite of AI-powered tools to deepen user engagement and unlock new monetization opportunities. In the past six months, the company rolled out an adaptive chatbot tutor that has driven a 25% rise in daily lesson completion rates among premium users. Personalized lesson sequencing, underpinned by machine-learning models analyzing over 2 billion data points per day, has boosted retention in key markets by 10%. Capital expenditure on AI infrastructure jumped 40% year-on-year, reflecting a strategic pivot toward scalable, automated content generation and real-time performance feedback.

China has emerged as Duolingo’s fastest-growing market, with net new registrations surging 60% year-over-year to 20 million learners. Recent partnerships with two leading local education platforms have expanded distribution channels to over 10,000 schools, while regulatory approval for a proprietary Chinese language model allows Duolingo to offer fully localized AI lessons for the first time. Management forecasts this market will contribute 25% of incremental revenue in the coming year, up from 8% last year, driven by an expected addition of more than 5 million paying subscribers through bundled school-to-home programs.