Microsoft (NASDAQ: MSFT | MSFT Price Prediction) and Palantir (NASDAQ: PLTR) both just delivered earnings that put the AI trade on trial. Microsoft posted $82.89 billion in Q3 FY2026 revenue with an AI run rate of $37 billion. Palantir grew 84.7% to $1.63 billion. Both are AI-native, yet they sit on opposite ends of scale, valuation, and business model.
Azure Powers One Giant. AIP Ignites the Other.
Microsoft’s quarter was a story about the plumbing of AI. Intelligent Cloud landed at $34.68 billion, up 30%, with Azure growing 40%. Commercial remaining performance obligations nearly doubled to $627 billion, which is a stunning book of contracted future work.
Capex hit $30.88 billion, up 84%, and that number is starting to make investors uncomfortable. CEO Satya Nadella framed it plainly: “Our AI business surpassed an annual revenue run rate of $37 billion, up 123% year-over-year.”
Palantir’s story is about the application layer sitting on top. U.S. commercial revenue exploded 133% to $595 million, driven by AIP adoption inside Fortune 500 operations. GAAP operating income reached $754 million at a 46% margin. Alex Karp did not hold back: “Palantir’s Rule of 40 score has soared to 145%. We have shattered the metric.”
Platform Owner vs. Decision Layer
| Lens | Microsoft | Palantir |
| Core Bet | AI infrastructure at planetary scale | Operational AI inside enterprises |
| Valuation | P/E ~28 | P/E ~174 |
| Growth Engine | Azure +40%, RPO $627B | U.S. commercial +133% |
| Key Vulnerability | Capex payoff timing | Multiple compression |
Microsoft is playing the long, capital-heavy game. Nadella wants the tollbooth on agentic computing, and the restructured OpenAI partnership (roughly 27% stake, IP rights through 2032, an incremental $250 billion Azure commitment) locks that thesis in.
Palantir is doing the opposite. Capex was a mere $7.4 million in the quarter. It sells outcomes rather than GPUs, and management raised FY26 guidance to 71% revenue growth, ten points above the prior forecast.
The Next Test Is Whether AI Spend Actually Compounds
For Microsoft, I am watching two lines: Azure’s constant-currency growth and how quickly that $627B backlog converts into billed revenue. Prediction markets currently give a 90.5% probability of another earnings beat, and Azure growth is expected in the 40% to 42% range.
For Palantir, you should keep an eye on U.S. commercial deal count. Remaining deal value hit $4.92 billion, up 112%. Any deceleration and the multiple unwinds fast.
Why Microsoft Looks Compelling While Palantir Still Has a Case
If I had to pick one today, I lean Microsoft. Shares are down 20.72% YTD to $381.70, and analysts still carry a $556.75 target. That mix of durable cash flow, a real AI revenue line, and a beaten-down entry point fits how I invest.
Palantir is the more thrilling story. Growth is scarce, and Karp is delivering. But at 173x earnings, one soft quarter would sting. If you like turnaround-style upside variance and can stomach beta of 1.56, Palantir still merits attention. If input costs and capex scrutiny worsen, I would prioritize the balance sheet over the multiple.
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