Course Hero vs Duolingo
Side-by-side comparison of AI visibility scores, market position, and capabilities
Leading student learning platform with 40M+ students; operated by parent company Learneo (formerly Course Hero Inc.); $475M raised; last valuation $3.6B (Dec 2021); Learneo portfolio also includes CliffsNotes and QuillBot.
About
Course Hero is one of the largest online learning platforms for students, providing access to millions of course-specific study resources including practice problems, study guides, video explanations, past exams, and tutoring services. Founded in 2006 by Andrew Grauer at Cornell University, Course Hero connects college and high school students with educational content created by fellow students, educators, and academic institutions, organized by course and textbook. The platform has grown to serve over 40 million students and educators across more than 7,500 universities and schools worldwide.
Pittsburgh gamified language learning (NASDAQ: DUOL, $17.7B market cap); Q3 2025 $400.2M revenue with 47.7M DAU +40% YoY and 2025 guidance raised to $1.68B; Chess course 1M+ DAU competing with Babbel for consumer language EdTech.
About
Duolingo is a Pittsburgh, Pennsylvania-based language learning platform — publicly traded on NASDAQ (NASDAQ: DUOL) at approximately $17.7 billion market capitalization as of mid-2025 — providing 130+ million monthly active users with gamified language and education courses in 42 languages plus mathematics, music, and chess. In Q3 2025, Duolingo reported $400.2 million in revenue (+9% year-over-year), 47.7 million daily active users (+40% YoY), and 10.9 million paid subscribers (+37% YoY), raising full-year 2025 guidance to $1.68-1.69 billion — versus $748 million in 2024 revenue. The Chess course launched in 2025 surpassed 1 million daily users. Duolingo Max and Super Duolingo premium subscriptions provide AI-powered features including GPT-4-powered conversational practice (Duolingo Max) with roleplay scenarios and AI explanations. Duolingo employs 800+ people with >90% annual employee retention. Founded 2011 by Carnegie Mellon professor Luis von Ahn and Severin Hacker; NASDAQ IPO July 2021 at $3.7 billion valuation.
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