
Duolingo
IPOLearn a language for free
Public · Pittsburgh, United States · Founded 2011 · $228.3M raised
- Headquarters
- Pittsburgh, Pennsylvania
- Employees
- 501–1000
- Founded
- 2011
- Business Model
- B2C
- Website
- duolingo.com
- Total Funding
- $228.3M
- Last Round
- $35.0M Series G+Nov 2020
- Rounds
- 9
- Type
- Public
About
Duolingo is the world's most-downloaded language learning app, offering free courses in 40+ languages using gamification, adaptive learning, and AI-powered personalization through its Birdbrain ML system. The company generates revenue through its Duolingo Plus subscription, the Duolingo English Test (an online certification accepted by 5,000+ institutions), and advertising on its free tier. Duolingo went public on Nasdaq in 2021 and serves over 500 million registered users.
Summary
Duolingo is an Artificial Intelligence company based in Pittsburgh, United States, founded in 2011. It has raised $228.3M in total across 9 rounds, most recently a $35.0M Series G+ round in Nov 2020. Investors include Union Square Ventures, NEA and General Atlantic.
Tech & App Stack
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Funding History
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Jul 2021
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Series A through IPO — per-round amounts, valuations, and who invested in each round.
Investors
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