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Duolingo (DUOL) Research & Development (2020 - 2025)

Duolingo has reported Research & Development over the past 6 years, most recently at $79.6 million for Q4 2025.

  • Quarterly results put Research & Development at $79.6 million for Q4 2025, up 19.82% from a year ago — trailing twelve months through Dec 2025 was $306.3 million (up 30.19% YoY), and the annual figure for FY2025 was $306.3 million, up 30.19%.
  • Research & Development for Q4 2025 was $79.6 million at Duolingo, down from $82.7 million in the prior quarter.
  • Over the last five years, Research & Development for DUOL hit a ceiling of $82.7 million in Q3 2025 and a floor of $21.9 million in Q2 2021.
  • Median Research & Development over the past 5 years was $49.1 million (2023), compared with a mean of $49.5 million.
  • Biggest five-year swings in Research & Development: surged 94.39% in 2021 and later increased 10.98% in 2024.
  • Duolingo's Research & Development stood at $30.0 million in 2021, then skyrocketed by 48.14% to $44.5 million in 2022, then increased by 13.01% to $50.3 million in 2023, then soared by 32.11% to $66.4 million in 2024, then increased by 19.82% to $79.6 million in 2025.
  • The last three reported values for Research & Development were $79.6 million (Q4 2025), $82.7 million (Q3 2025), and $73.7 million (Q2 2025) per Business Quant data.