Duolingo, Inc. vs 8X8 INC /DE/
Side-by-Side SaaS Metrics & Valuation Comparison
Summary Verdict
DUOL: 5—EGHT: 0wins
Rule of 40
74.9DUOL
10.3EGHT
check_circleDUOL leads
Revenue Growth
39.9%DUOL
2.0%EGHT
check_circleDUOL leads
Gross Margin
72%DUOL
66%EGHT
check_circleDUOL leads
FCF Margin
35.0%DUOL
8.3%EGHT
check_circleDUOL leads
Operating Margin
13.1%DUOL
3.4%EGHT
check_circleDUOL leads
NRR
—DUOL
—EGHT
Metric
Rule of 40Efficiency score
DUOL
74.9check_circle
EGHT
10.3
Revenue GrowthYoY
DUOL
39.9%check_circle
EGHT
2.0%
Gross Margin% of revenue
DUOL
72%check_circle
EGHT
66%
FCF MarginFree cash flow
DUOL
35.0%check_circle
EGHT
8.3%
Operating MarginGAAP
DUOL
13.1%check_circle
EGHT
3.4%
NRRNet retention
DUOL
N/A
EGHT
N/A
EV / RevenueValuation multiple
DUOL
5.2x
EGHT
N/A
Market CapUSD
DUOL
$6.2B
EGHT
N/A
ARR GrowthYoY
DUOL
N/A
EGHT
N/A
CAC PaybackMonths to recover
DUOL
N/A
EGHT
N/A
insights
Analysis
As of Q1 2026, Duolingo, Inc. trades at 5.2x EV/Revenue versus 8X8 INC /DE/ at N/A. On the Rule of 40, Duolingo, Inc. scores 74.9 compared to 8X8 INC /DE/'s 10.3, placing Duolingo, Inc. ahead in operating efficiency. Gross margins stand at Duolingo, Inc. 72% vs 8X8 INC /DE/ 66%.
Sector Context
Both companies operate in the Vertical SaaS sector. The median columns above show where each company stands relative to their peers.