Duolingovs.Tesla
DUOL vs TSLA · both in AI software & productivity, part of the AI & digital infrastructure value chain: Embeds AI models into the products and workflows we already use.
Tesla is about 209× larger than Duolingo by market cap; Duolingo trades at the lower P/E (17.2 vs 389.1).
Side by side
| DUOL | TSLA | |
|---|---|---|
| Market cap | $7.1B | $1.5T |
| Price | $151.22 | $375.00 |
| Today | −0.3% | −0.7% |
| Return YTD | −13.5% | −16.0% |
| Return 1Y | −52.6% | −12.8% |
| Since June 26, 2026 | +24.5% | −1.2% |
| P/E | 17.2 | 389.1 |
| P/S | 6.2 | 14.3 |
| P/B | 5.0 | 17.1 |
Data as of 2026-10-08 · updates daily after U.S. close
Since June 26, 2026: the change in the closing price, from the daily closes Sectivia records itself since that date.
The two companies
DuolingoDUOL
Language lessons on a phone, with generative AI writing much of the course content and playing the conversation partner in the paid Max tier.
Full DUOL profile →TeslaTSLA
Selling electric cars and energy storage pays the bills, but the share price increasingly rests on software: autonomous driving under the FSD and robotaxi banner, and the Optimus humanoid robot, both built on AI chips and data Tesla owns outright.
Full TSLA profile →More DUOL & TSLA comparisons
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