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

SLM Corp is the larger business by last-quarter revenue ($560.0M vs $282.9M, roughly 2.0× Duolingo, Inc.). SLM Corp runs the higher net margin — 55.0% vs 14.8%, a 40.2% gap on every dollar of revenue. Over the past eight quarters, Duolingo, Inc.'s revenue compounded faster (29.9% CAGR vs 22.7%).

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.

Nikon SLM Solutions AG, headquartered in Lübeck, Germany, is a manufacturer of 3D metal printers listed on the stock market and co-owner of the word mark SLM. The shares of SLM Solutions Group AG have been listed in Prime Standard of the Frankfurt Stock Exchange since May 9, 2014.

DUOL vs SLM — Head-to-Head

Bigger by revenue
SLM
SLM
2.0× larger
SLM
$560.0M
$282.9M
DUOL
Higher net margin
SLM
SLM
40.2% more per $
SLM
55.0%
14.8%
DUOL
Faster 2-yr revenue CAGR
DUOL
DUOL
Annualised
DUOL
29.9%
22.7%
SLM

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
DUOL
DUOL
SLM
SLM
Revenue
$282.9M
$560.0M
Net Profit
$42.0M
$308.0M
Gross Margin
72.8%
Operating Margin
15.4%
69.6%
Net Margin
14.8%
55.0%
Revenue YoY
35.0%
Net Profit YoY
201.7%
1.0%
EPS (diluted)
$0.99
$1.54

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
SLM
SLM
Q1 26
$560.0M
Q4 25
$282.9M
$377.1M
Q3 25
$271.7M
$373.0M
Q2 25
$252.3M
$376.8M
Q1 25
$230.7M
$375.0M
Q4 24
$209.6M
$362.2M
Q3 24
$192.6M
$359.4M
Q2 24
$178.3M
$372.2M
Net Profit
DUOL
DUOL
SLM
SLM
Q1 26
$308.0M
Q4 25
$42.0M
$233.2M
Q3 25
$292.2M
$135.8M
Q2 25
$44.8M
$71.3M
Q1 25
$35.1M
$304.5M
Q4 24
$13.9M
$111.6M
Q3 24
$23.4M
$-45.2M
Q2 24
$24.4M
$252.0M
Gross Margin
DUOL
DUOL
SLM
SLM
Q1 26
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%
Operating Margin
DUOL
DUOL
SLM
SLM
Q1 26
69.6%
Q4 25
15.4%
83.8%
Q3 25
12.9%
49.8%
Q2 25
13.2%
23.3%
Q1 25
10.2%
Q4 24
6.6%
36.5%
Q3 24
7.0%
-16.6%
Q2 24
10.5%
91.0%
Net Margin
DUOL
DUOL
SLM
SLM
Q1 26
55.0%
Q4 25
14.8%
61.8%
Q3 25
107.5%
36.4%
Q2 25
17.8%
18.9%
Q1 25
15.2%
81.2%
Q4 24
6.6%
30.8%
Q3 24
12.1%
-12.6%
Q2 24
13.7%
67.7%
EPS (diluted)
DUOL
DUOL
SLM
SLM
Q1 26
$1.54
Q4 25
$0.99
$1.11
Q3 25
$5.95
$0.63
Q2 25
$0.91
$0.32
Q1 25
$0.72
$1.40
Q4 24
$0.31
$0.53
Q3 24
$0.49
$-0.23
Q2 24
$0.51
$1.11

Balance Sheet & Financial Strength

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

Metric
DUOL
DUOL
SLM
SLM
Cash + ST InvestmentsLiquidity on hand
$1.0B
$5.2B
Total DebtLower is stronger
$6.2B
Stockholders' EquityBook value
$1.3B
$2.4B
Total Assets
$2.0B
$29.4B
Debt / EquityLower = less leverage
2.53×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DUOL
DUOL
SLM
SLM
Q1 26
$5.2B
Q4 25
$1.0B
$4.2B
Q3 25
$1.0B
$3.5B
Q2 25
$976.2M
$4.1B
Q1 25
$884.0M
$3.7B
Q4 24
$785.8M
$4.7B
Q3 24
$854.4M
$4.5B
Q2 24
$888.2M
$5.3B
Total Debt
DUOL
DUOL
SLM
SLM
Q1 26
$6.2B
Q4 25
$5.4B
Q3 25
$6.8B
Q2 25
$6.4B
Q1 25
$6.1B
Q4 24
$6.4B
Q3 24
$6.0B
Q2 24
$5.4B
Stockholders' Equity
DUOL
DUOL
SLM
SLM
Q1 26
$2.4B
Q4 25
$1.3B
$2.5B
Q3 25
$1.3B
$2.3B
Q2 25
$977.0M
$2.4B
Q1 25
$893.8M
$2.4B
Q4 24
$824.5M
$2.2B
Q3 24
$822.5M
$2.1B
Q2 24
$766.9M
$2.3B
Total Assets
DUOL
DUOL
SLM
SLM
Q1 26
$29.4B
Q4 25
$2.0B
$29.7B
Q3 25
$1.9B
$29.6B
Q2 25
$1.5B
$29.6B
Q1 25
$1.4B
$28.9B
Q4 24
$1.3B
$30.1B
Q3 24
$1.2B
$30.0B
Q2 24
$1.1B
$28.8B
Debt / Equity
DUOL
DUOL
SLM
SLM
Q1 26
2.53×
Q4 25
2.19×
Q3 25
2.92×
Q2 25
2.70×
Q1 25
2.56×
Q4 24
2.98×
Q3 24
2.83×
Q2 24
2.37×

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
SLM
SLM
Operating Cash FlowLast quarter
$107.3M
Free Cash FlowOCF − Capex
$96.6M
FCF MarginFCF / Revenue
34.1%
Capex IntensityCapex / Revenue
3.8%
Cash ConversionOCF / Net Profit
2.56×
TTM Free Cash FlowTrailing 4 quarters
$369.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DUOL
DUOL
SLM
SLM
Q1 26
Q4 25
$107.3M
$-64.5M
Q3 25
$84.2M
$-49.3M
Q2 25
$90.7M
$-138.7M
Q1 25
$105.6M
$-146.1M
Q4 24
$83.3M
$4.5M
Q3 24
$56.3M
$-113.4M
Q2 24
$62.4M
$-143.8M
Free Cash Flow
DUOL
DUOL
SLM
SLM
Q1 26
Q4 25
$96.6M
Q3 25
$79.4M
Q2 25
$89.5M
Q1 25
$104.3M
Q4 24
$81.4M
Q3 24
$53.1M
Q2 24
$56.8M
FCF Margin
DUOL
DUOL
SLM
SLM
Q1 26
Q4 25
34.1%
Q3 25
29.2%
Q2 25
35.5%
Q1 25
45.2%
Q4 24
38.8%
Q3 24
27.6%
Q2 24
31.9%
Capex Intensity
DUOL
DUOL
SLM
SLM
Q1 26
Q4 25
3.8%
Q3 25
1.8%
Q2 25
0.5%
Q1 25
0.6%
Q4 24
0.9%
Q3 24
1.7%
Q2 24
3.1%
Cash Conversion
DUOL
DUOL
SLM
SLM
Q1 26
Q4 25
2.56×
-0.28×
Q3 25
0.29×
-0.36×
Q2 25
2.02×
-1.95×
Q1 25
3.01×
-0.48×
Q4 24
5.99×
0.04×
Q3 24
2.41×
Q2 24
2.56×
-0.57×

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%

SLM
SLM

Net Interest Income$375.0M67%
Noninterest Income$185.0M33%

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