Duolingo, Inc. vs 8X8 INC /DE/
Side-by-Side SaaS Metrics & Valuation Comparison
Summary Verdict
DUOL: 5—EGHT: 0wins
Rule of 40
81.8DUOL
13.3EGHT
check_circleDUOL leads
Revenue Growth
49.0%DUOL
3.6%EGHT
check_circleDUOL leads
Gross Margin
73%DUOL
64%EGHT
check_circleDUOL leads
FCF Margin
32.8%DUOL
9.7%EGHT
check_circleDUOL leads
Operating Margin
13.2%DUOL
2.7%EGHT
check_circleDUOL leads
NRR
—DUOL
—EGHT
Metric
Rule of 40Efficiency score
DUOL
81.8check_circle
EGHT
13.3
Revenue GrowthYoY
DUOL
49.0%check_circle
EGHT
3.6%
Gross Margin% of revenue
DUOL
73%check_circle
EGHT
64%
FCF MarginFree cash flow
DUOL
32.8%check_circle
EGHT
9.7%
Operating MarginGAAP
DUOL
13.2%check_circle
EGHT
2.7%
NRRNet retention
DUOL
N/A
EGHT
N/A
EV / RevenueValuation multiple
DUOL
5.2x
EGHT
N/A
Market CapUSD
DUOL
$6.6B
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 Q2 2026, Duolingo, Inc. trades at 5.2x EV/Revenue versus 8X8 INC /DE/ at N/A. On the Rule of 40, Duolingo, Inc. scores 81.8 compared to 8X8 INC /DE/'s 13.3, placing Duolingo, Inc. ahead in operating efficiency. Gross margins stand at Duolingo, Inc. 73% vs 8X8 INC /DE/ 64%.
Sector Context
Both companies operate in the Vertical SaaS sector. The median columns above show where each company stands relative to their peers.