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Side-by-side financial comparison of Duolingo, Inc. (DUOL) and PennyMac Financial Services, Inc. (PFSI). Click either name above to swap in a different company.

PennyMac Financial Services, Inc. is the larger business by last-quarter revenue ($538.0M vs $282.9M, roughly 1.9× Duolingo, Inc.). PennyMac Financial Services, Inc. runs the higher net margin — 1752.5% vs 14.8%, a 1737.6% gap on every dollar of revenue. On growth, Duolingo, Inc. posted the faster year-over-year revenue change (35.0% vs 14.4%). Duolingo, Inc. produced more free cash flow last quarter ($96.6M vs $-1.7B). Over the past eight quarters, PennyMac Financial Services, Inc.'s revenue compounded faster (32.7% CAGR vs 29.9%).

Duolingo, Inc. is a leading global edtech firm operating a gamified language learning platform. It offers free and premium self-paced courses for over 40 languages, plus language certification, math learning tools, and literacy programs, serving individual learners, schools and corporate clients worldwide.

PennyMac Financial Services, Inc. is an American residential mortgage company headquartered in Westlake Village, California. The company's business focuses on the production and servicing of U.S. mortgage loans and the management of investments related to the U.S. mortgage market. Pennymac operates through two subsidiaries: PennyMac Loan Services, LLC and PNMAC Capital Management, LLC. The latter manages the PennyMac Mortgage Investment Trust, a mortgage REIT.

DUOL vs PFSI — Head-to-Head

Bigger by revenue
PFSI
PFSI
1.9× larger
PFSI
$538.0M
$282.9M
DUOL
Growing faster (revenue YoY)
DUOL
DUOL
+20.5% gap
DUOL
35.0%
14.4%
PFSI
Higher net margin
PFSI
PFSI
1737.6% more per $
PFSI
1752.5%
14.8%
DUOL
More free cash flow
DUOL
DUOL
$1.8B more FCF
DUOL
$96.6M
$-1.7B
PFSI
Faster 2-yr revenue CAGR
PFSI
PFSI
Annualised
PFSI
32.7%
29.9%
DUOL

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
DUOL
DUOL
PFSI
PFSI
Revenue
$282.9M
$538.0M
Net Profit
$42.0M
$106.8M
Gross Margin
72.8%
Operating Margin
15.4%
25.0%
Net Margin
14.8%
1752.5%
Revenue YoY
35.0%
14.4%
Net Profit YoY
201.7%
2.2%
EPS (diluted)
$0.99
$1.97

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
DUOL
DUOL
PFSI
PFSI
Q4 25
$282.9M
$538.0M
Q3 25
$271.7M
$632.9M
Q2 25
$252.3M
$444.7M
Q1 25
$230.7M
$430.9M
Q4 24
$209.6M
$470.1M
Q3 24
$192.6M
$411.8M
Q2 24
$178.3M
$406.1M
Q1 24
$167.6M
$305.7M
Net Profit
DUOL
DUOL
PFSI
PFSI
Q4 25
$42.0M
$106.8M
Q3 25
$292.2M
$181.5M
Q2 25
$44.8M
$136.5M
Q1 25
$35.1M
$76.3M
Q4 24
$13.9M
$104.5M
Q3 24
$23.4M
$69.4M
Q2 24
$24.4M
$98.3M
Q1 24
$27.0M
$39.3M
Gross Margin
DUOL
DUOL
PFSI
PFSI
Q4 25
72.8%
Q3 25
72.5%
Q2 25
72.4%
Q1 25
71.1%
Q4 24
71.9%
Q3 24
72.9%
Q2 24
73.4%
Q1 24
73.0%
Operating Margin
DUOL
DUOL
PFSI
PFSI
Q4 25
15.4%
25.0%
Q3 25
12.9%
37.3%
Q2 25
13.2%
17.2%
Q1 25
10.2%
24.2%
Q4 24
6.6%
27.5%
Q3 24
7.0%
22.8%
Q2 24
10.5%
33.0%
Q1 24
9.8%
14.4%
Net Margin
DUOL
DUOL
PFSI
PFSI
Q4 25
14.8%
1752.5%
Q3 25
107.5%
28.7%
Q2 25
17.8%
30.7%
Q1 25
15.2%
17.7%
Q4 24
6.6%
2559.8%
Q3 24
12.1%
16.8%
Q2 24
13.7%
24.2%
Q1 24
16.1%
12.9%
EPS (diluted)
DUOL
DUOL
PFSI
PFSI
Q4 25
$0.99
$1.97
Q3 25
$5.95
$3.37
Q2 25
$0.91
$2.54
Q1 25
$0.72
$1.42
Q4 24
$0.31
$1.95
Q3 24
$0.49
$1.30
Q2 24
$0.51
$1.85
Q1 24
$0.57
$0.74

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
DUOL
DUOL
PFSI
PFSI
Cash + ST InvestmentsLiquidity on hand
$1.0B
$410.0M
Total DebtLower is stronger
$6.2B
Stockholders' EquityBook value
$1.3B
$4.3B
Total Assets
$2.0B
$29.4B
Debt / EquityLower = less leverage
1.45×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DUOL
DUOL
PFSI
PFSI
Q4 25
$1.0B
$410.0M
Q3 25
$1.0B
$62.2M
Q2 25
$976.2M
$462.3M
Q1 25
$884.0M
$443.4M
Q4 24
$785.8M
$420.6M
Q3 24
$854.4M
$667.9M
Q2 24
$888.2M
$188.8M
Q1 24
$829.7M
$69.0K
Total Debt
DUOL
DUOL
PFSI
PFSI
Q4 25
$6.2B
Q3 25
$6.2B
Q2 25
$5.6B
Q1 25
$5.8B
Q4 24
$5.3B
Q3 24
$4.9B
Q2 24
$4.9B
Q1 24
$4.5B
Stockholders' Equity
DUOL
DUOL
PFSI
PFSI
Q4 25
$1.3B
$4.3B
Q3 25
$1.3B
$4.2B
Q2 25
$977.0M
$4.0B
Q1 25
$893.8M
$3.9B
Q4 24
$824.5M
$3.8B
Q3 24
$822.5M
$3.7B
Q2 24
$766.9M
$3.7B
Q1 24
$711.1M
$3.6B
Total Assets
DUOL
DUOL
PFSI
PFSI
Q4 25
$2.0B
$29.4B
Q3 25
$1.9B
$25.4B
Q2 25
$1.5B
$24.2B
Q1 25
$1.4B
$23.9B
Q4 24
$1.3B
$26.1B
Q3 24
$1.2B
$22.9B
Q2 24
$1.1B
$21.6B
Q1 24
$1.1B
$19.8B
Debt / Equity
DUOL
DUOL
PFSI
PFSI
Q4 25
1.45×
Q3 25
1.48×
Q2 25
1.38×
Q1 25
1.48×
Q4 24
1.37×
Q3 24
1.32×
Q2 24
1.35×
Q1 24
1.27×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
DUOL
DUOL
PFSI
PFSI
Operating Cash FlowLast quarter
$107.3M
$-1.7B
Free Cash FlowOCF − Capex
$96.6M
$-1.7B
FCF MarginFCF / Revenue
34.1%
-309.3%
Capex IntensityCapex / Revenue
3.8%
2.2%
Cash ConversionOCF / Net Profit
2.56×
-15.46×
TTM Free Cash FlowTrailing 4 quarters
$369.7M
$-1.4B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DUOL
DUOL
PFSI
PFSI
Q4 25
$107.3M
$-1.7B
Q3 25
$84.2M
$-697.4M
Q2 25
$90.7M
$-131.3M
Q1 25
$105.6M
$1.1B
Q4 24
$83.3M
$-4.5B
Q3 24
$56.3M
$-393.7M
Q2 24
$62.4M
$-1.1B
Q1 24
$83.5M
$-897.9M
Free Cash Flow
DUOL
DUOL
PFSI
PFSI
Q4 25
$96.6M
$-1.7B
Q3 25
$79.4M
$-699.4M
Q2 25
$89.5M
$-132.6M
Q1 25
$104.3M
$1.1B
Q4 24
$81.4M
$-4.5B
Q3 24
$53.1M
$-393.9M
Q2 24
$56.8M
$-1.1B
Q1 24
$82.1M
$-898.9M
FCF Margin
DUOL
DUOL
PFSI
PFSI
Q4 25
34.1%
-309.3%
Q3 25
29.2%
-110.5%
Q2 25
35.5%
-29.8%
Q1 25
45.2%
247.3%
Q4 24
38.8%
-964.7%
Q3 24
27.6%
-95.6%
Q2 24
31.9%
-269.2%
Q1 24
49.0%
-294.1%
Capex Intensity
DUOL
DUOL
PFSI
PFSI
Q4 25
3.8%
2.2%
Q3 25
1.8%
0.3%
Q2 25
0.5%
0.3%
Q1 25
0.6%
0.1%
Q4 24
0.9%
0.4%
Q3 24
1.7%
0.0%
Q2 24
3.1%
0.1%
Q1 24
0.8%
0.3%
Cash Conversion
DUOL
DUOL
PFSI
PFSI
Q4 25
2.56×
-15.46×
Q3 25
0.29×
-3.84×
Q2 25
2.02×
-0.96×
Q1 25
3.01×
13.97×
Q4 24
5.99×
-43.39×
Q3 24
2.41×
-5.68×
Q2 24
2.56×
-11.12×
Q1 24
3.10×
-22.84×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

DUOL
DUOL

License And Service$242.3M86%
Advertising$20.2M7%
English Test$10.3M4%
Other$10.1M4%

PFSI
PFSI

Segment breakdown not available.

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