Microsoft's AI Paradox: Record Revenue Meets Investor Skepticism

Microsoft's stellar Q3 earnings and 250% Copilot user growth couldn't offset investor fears over rising AI infrastructure costs and OpenAI deal changes, sending shares lower.

The numbers are stellar, but the stock is sliding — Microsoft finds itself in an uncomfortable disconnect between operational excellence and market sentiment. The software giant crushed Wall Street expectations in its fiscal third quarter, yet investors remain fixated on the mounting costs of its artificial intelligence ambitions rather than the revenue they're generating.

The OpenAI Reset

Just days before the earnings release, Microsoft and OpenAI fundamentally restructured their alliance. The tech titan will no longer pay revenue-sharing fees to the AI startup, instead receiving capped payments from OpenAI through 2030. But the trade-off is significant: Microsoft's license for OpenAI's models, valid until 2032, has lost its exclusivity. Competing cloud providers can now host OpenAI's technology.

Chief Financial Officer Amy Hood framed the elimination of Microsoft's payment obligations as a win for financial predictability. Market observers, however, see the restructuring as a preparatory step for OpenAI's anticipated initial public offering.

Copilot's Rapid Ascent

The AI assistant Copilot is delivering the kind of growth that typically excites investors — just not this quarter. Paid users in the Microsoft 365 ecosystem surged 250% year-over-year to over 20 million, a dramatic acceleration from the figures reported in January. CEO Satya Nadella noted that users now treat the software as routinely as they do Outlook.

The monetization model for developers is also shifting. Starting June 1, 2026, GitHub Copilot will move to consumption-based billing. Subscribers will receive monthly allocations of AI credits, replacing the current fixed-premium-request system. The change addresses a structural problem: complex AI queries were costing Microsoft more in computing power than subscription fees covered. Tasks like agent-based programming and code reviews will now carry higher costs for heavy users.

Azure's Engine and Infrastructure Headwinds

The core business remains robust. Revenue climbed 18% to nearly $83 billion in the quarter, with Azure posting a currency-adjusted 40% gain. Yet server and AI-chip shortages are constraining growth, constraints management expects to persist until at least late 2026.

The massive data-center buildout is leaving its mark on the bottom line. Gross margin fell to its lowest level since 2022, and Microsoft continues to shrink its workforce, with further reductions planned for 2027. Operating expenses are expected to rise only in the mid-to-high single digits.

The Backlog Story

One of the most compelling metrics is the commercial backlog. Contractually committed future revenue nearly doubled to $627 billion. Even stripping out the OpenAI-related effects, organic growth stood at a solid 26%. Roughly a quarter of that total is expected to convert to revenue within the next twelve months.

Guidance and Market Reaction

For the fiscal fourth quarter, Hood guided revenue between $86.7 billion and $87.8 billion — below Wall Street estimates — while planned capital expenditures exceeded forecasts. Analysts remain cautiously optimistic: Wells Fargo raised its price target to $625, while Mizuho sees the stock at $515.

The market, however, is voting with its feet. Microsoft shares closed at €363.40, down roughly 10% year-to-date, and with a relative strength index of 20, the stock is technically deeply oversold. The message from investors is clear: revenue growth alone no longer earns a premium. Microsoft needs to demonstrate that its massive AI investments will translate into sustainable earnings — and the Copilot subscription surge and $627 billion backlog provide the raw material for that case.