Duolingo (DUOL) Cost of Revenue (2020 - 2026)

Duolingo has reported Cost of Revenue for 7 years, with the latest figure at $39.2 million in Q1 2026.

• For the quarter ending Q1 2026, Cost of Revenue rose 47.21% year-over-year to $39.2 million; the trailing twelve-month figure through Mar 2026 stood at $380.6 million (up 189.76% YoY), and the FY2025 full-year result was $288.1 million, up 41.49% from the prior year.
• Cost of Revenue for Q1 2026 stood at $39.2 million, down from $196.8 million in the prior quarter.
• The five-year high for Cost of Revenue was $196.8 million in Q4 2025, with the low at -$25.7 million in Q4 2023.
• Average Cost of Revenue over 5 years is $40.8 million, with a median of $26.7 million recorded in 2025.
• Year-over-year, Cost of Revenue plunged 150.0% in 2023 and jumped 328.87% in 2024.
• Tracing DUOL's Cost of Revenue over 5 years: stood at $51.5 million in 2022, then sank by 150.0% to -$25.7 million in 2023, then jumped by 328.87% to $58.9 million in 2024, then surged by 234.03% to $196.8 million in 2025, then plunged by 80.06% to $39.2 million in 2026.
• The last three Cost of Revenue figures came in at $39.2 million (Q1 2026), $196.8 million (Q4 2025), and $74.8 million (Q3 2025), per Business Quant data.

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