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

Duolingo's Cost of Revenue history runs 7 years deep, the most recent figure standing at $78.9 million for Q1 2026.

• On a quarterly basis, Cost of Revenue rose 18.34% year-over-year to $78.9 million in Q1 2026; TTM through Mar 2026 was $300.4 million, a 33.43% increase from a year earlier, with the FY2025 full-year figure at $288.1 million, up 41.49% from the prior year.
• Cost of Revenue rose to $78.9 million in Q1 2026 per DUOL's latest filing, from $77.0 million in the prior quarter.
• Across five years, Cost of Revenue topped out at $78.9 million in Q1 2026 and bottomed at $21.5 million in Q1 2022.
• The 5-year median for Cost of Revenue is $45.2 million (2024), against an average of $47.8 million.
• Across the five-year window, Cost of Revenue surged 47.91% in 2022 and increased 18.34% in 2026, its largest moves.
• Year by year, Cost of Revenue stood at $27.8 million in 2022, then surged by 46.1% to $40.6 million in 2023, then jumped by 45.24% to $58.9 million in 2024, then soared by 30.67% to $77.0 million in 2025, then gained by 2.43% to $78.9 million in 2026.
• Per Business Quant, the three latest DUOL Cost of Revenue figures stand at $78.9 million (Q1 2026), $77.0 million (Q4 2025), and $74.8 million (Q3 2025).