Which has grown faster, AI or DUOL?

Over the past five years, DUOL grew revenue faster — AI at a 6.44% CAGR versus DUOL at 42.21%.

Is AI or DUOL more profitable?

DUOL runs the higher net margin — AI at -187.95% versus DUOL at 38.44%.

C3.ai, Inc. (AI) vs Duolingo, Inc. (DUOL)

DUOL leads on 7 of 8 compared metrics.

A side-by-side comparison of C3.ai, Inc. and Duolingo, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of June 13, 2026. The ● marks the stronger figure on each row (cheaper multiple, higher margin/return).

Total return — AI vs DUOL

growth of $100 · last 5y

AI -79.4%DUOL -11.8%DUOL compounded faster

AI DUOL

AI vs DUOL: by the numbers

•DUOL is the larger company ($5.71B vs $1.55B market cap).
•DUOL is profitable (38.44% net margin) while AI runs a net loss (-187.95%).
•DUOL grew revenue faster over the past five years (42.21% vs 6.44% CAGR).

Which is better, AI or DUOL?

Metric tally: AI 1 · DUOL 7

It depends on what you're optimizing for:

GrowthDUOL(faster 5Y revenue CAGR)

QualityDUOL(higher ROIC)

Valuation

Metric	AI	DUOL
P/E ratio	—	14.28
Forward P/E	—	43.27
P/S ratio	6.37	5.47●
P/B ratio	2.44●	4.32
PEG ratio	—	0.06
EV / EBITDA	—	22.76
FCF yield	—	6.93%

Profitability

Metric	AI	DUOL
Gross margin	30.92%	72.14%●
Operating margin	-194.86%	14.78%●
Net margin	-187.95%	38.44%●
ROE	-71.95%	30.35%●
ROIC	-68.71%	9.80%●

Growth (annualized)

Metric	AI	DUOL
Revenue CAGR (5Y)	6.44%	42.21%●
FCF CAGR (5Y)	—	91.58%
Total return CAGR (5Y)	-29.02%	—

Frequently asked

Which is better, AI or DUOL?: It depends on your goal. growth: DUOL (faster 5Y revenue CAGR); quality: DUOL (higher ROIC). Across all compared metrics, DUOL leads 7 to 1.
Which has grown faster, AI or DUOL?: Over the past five years, DUOL grew revenue faster — AI at a 6.44% CAGR versus DUOL at 42.21%.
Is AI or DUOL more profitable?: DUOL runs the higher net margin — AI at -187.95% versus DUOL at 38.44%.

Go deeper

Full AI analysis Full DUOL analysis Interactive comparison tool

Dig into the metrics

C3.ai P/E ratio Duolingo P/E ratio C3.ai dividend yield Duolingo dividend yield C3.ai ROE Duolingo ROE C3.ai operating margin Duolingo operating margin C3.ai revenue growth Duolingo revenue growth C3.ai free cash flow Duolingo free cash flow

C3.ai & Duolingo appear in these rankings

Fastest Revenue Growth Stocks Highest ROE Stocks Highest FCF Yield Stocks Lowest P/E Ratio Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified June 13, 2026.