Compare Duolingo, Inc. (DUOL) vs SAP SE (SAP) Stock

Duolingo, Inc. (DUOL) offers the better valuation at 13.3x trailing P/E (23.4x forward), making it the more compelling value choice. Analysts rate SAP SE (SAP) a "Buy" — based on 43 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Duolingo, Inc. (DUOL) is the cheapest at 13.3x versus SAP SE at 28.5x. On forward P/E, Duolingo, Inc. is actually cheaper at 23.4x.

Over the past 5 years, SAP SE (SAP) delivered a total return of +71.7%, compared to -27.3% for Duolingo, Inc. (DUOL). A $10,000 investment in SAP five years ago would be worth approximately $17K today (assuming dividends reinvested). Over 10 years, the gap is even starker: SAP returned +193.8% versus DUOL's -27.3%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), SAP SE (SAP) is the lower-risk stock at 0.86β versus Duolingo, Inc.'s 1.52β — meaning DUOL is approximately 78% more volatile than SAP relative to the S&P 500. On balance sheet safety, Duolingo, Inc. (DUOL) carries a lower debt/equity ratio of 7% versus 18% for SAP SE — giving it more financial flexibility in a downturn.

Duolingo, Inc. (DUOL) is the more profitable company, earning 39.9% net margin versus 19.9% for SAP SE — meaning it keeps 39.9% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: SAP leads at 28.0% versus 13.1% for DUOL. At the gross margin level — before operating expenses — SAP leads at 73.5%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

On forward earnings alone, Duolingo, Inc. (DUOL) trades at 23.4x forward P/E versus 27.8x for SAP SE — 4.4x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for DUOL: 132.7% to $235.00.

In this comparison, SAP (1.3% yield) pays a dividend. DUOL does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, SAP SE (SAP) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.86), 1.3% yield, +193.8% 10Y return). Duolingo, Inc. (DUOL) carries a higher beta of 1.52 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (SAP: +193.8%, DUOL: -27.3%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Technology sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both. In terms of investment character: DUOL is a small-cap deep-value stock; SAP is a large-cap quality compounder stock. SAP pays a dividend while DUOL does not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.