Microsoft's AI bet faces investor scrutiny despite strong earnings and surging Copilot usage

Reviewed byNidhi Govil

25 Sources

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Microsoft reported $81.3 billion in revenue and $38.3 billion in net income, but Wall Street responded with skepticism. Investors worry about massive capital expenditures of $72.4 billion and the company's heavy reliance on OpenAI, which accounts for 45% of its $625 billion backlog. CEO Satya Nadella defended the strategy, citing tripled Copilot usage and 4.7 million GitHub Copilot subscribers.

Microsoft Reports Strong Quarterly Earnings Amid AI Infrastructure Push

Microsoft delivered robust quarterly earnings on Wednesday, reporting $81.3 billion in revenue—up 17% year-over-year—and net income profits of $38.3 billion, marking a 21% increase

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. The company achieved a symbolic milestone as Microsoft Cloud revenue exceeded $50 billion for the first time

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. Despite these strong numbers, Wall Street responded with caution, sending the stock down 6% in after-hours trading

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. The market's tepid reaction reflects growing investor concerns about the tech giant's escalating capital expenditures and its concentrated exposure to AI startups, particularly OpenAI.

Source: SiliconANGLE

Source: SiliconANGLE

Massive Capital Expenditures Raise Questions About Microsoft's AI Bet

Microsoft has spent $72.4 billion on capital expenditures in the first half of its current fiscal year, approaching the $88.2 billion it spent during the entire previous year

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. In the second quarter alone, the company invested $37.5 billion, with two-thirds allocated to what CFO Amy Hood described as "short-lived" assets—primarily GPUs and CPUs for Azure cloud infrastructure to serve AI services

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. These chips have just six years to generate profitability before aging out

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. The aggressive data center spending aims to support AI workloads for enterprises and major partners including OpenAI and Anthropic, but Wall Street questions whether this investment will translate into sustained profits.

Source: Market Screener

Source: Market Screener

OpenAI Dominates Microsoft's Revenue Backlog

A particularly striking revelation emerged during the quarterly earnings call: 45% of Microsoft's $625 billion in commercial remaining performance obligations—contracts not yet paid out—comes directly from OpenAI

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. As part of OpenAI's restructuring into a public benefit corporation last fall, the AI lab committed to purchasing an additional $250 billion in Azure services

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. Microsoft has invested more than $13 billion in OpenAI, which currently translates to a 27% stake valued at $135 billion—over ten times its original investment

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. The company also gained $7.6 billion in net income from its OpenAI investment last quarter alone

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Anthropic and Nvidia Add to AI Infrastructure Commitments

Microsoft's AI infrastructure commitments extend beyond OpenAI. In November, the company announced a $5 billion investment in Anthropic, with the AI lab signing up for $30 billion of Azure compute capacity

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. Anthropic contributed to a 230% increase in Microsoft's commercial bookings during the quarter

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. The Anthropic deal includes supporting deployment of up to a gigawatt of compute capacity, specifically tied to Nvidia Grace Blackwell and Vera Rubin systems

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. Adding to the complexity, Nvidia CEO Jensen Huang reportedly expressed doubts about a previously announced $100 billion investment in OpenAI, telling industry associates the commitment was nonbinding and privately criticizing OpenAI's lack of business discipline

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Satya Nadella Defends AI Strategy with Copilot Usage Metrics

CEO Satya Nadella spent considerable time during the earnings call addressing what observers characterized as "AI use PR," attempting to demonstrate that Microsoft's AI investments are driving actual adoption

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. Nadella reported that daily users of consumer Copilot AI products had grown "nearly 3x year over year," though he did not disclose specific user numbers

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. GitHub Copilot showed stronger metrics with 4.7 million paid subscribers, representing 75% year-over-year growth

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. Microsoft 365 Copilot now has 15 million paid seats from companies, though this represents just a fraction of the 450 million total paid seats in the Microsoft 365 base

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Source: Digit

Source: Digit

Execution Challenges Plague Microsoft's AI Products

Despite exclusive access to OpenAI's intellectual property and models through 2032, Microsoft struggles to translate that advantage into competitive products

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. Users have complained that Copilot is "confusing, constrained and hard to use," creating a perplexing gap between the quality of OpenAI's models and Microsoft's ability to deploy them effectively

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. Anthropic's Claude Cowork, built in just 10 days, can operate computers, organize files, and generate Office documents—capabilities Microsoft Copilot lacks despite Microsoft owning Windows, Office, and LinkedIn

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. David Rainville, lead manager of Sycomore Sustainable Tech, suggested that if Microsoft doesn't release an equivalent product within six months, "heads will have to roll"

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AI Demand Outpaces Supply, Microsoft Claims

Both Nadella and Amy Hood emphasized during the call that AI demand across products far outstrips current data center supply, meaning new equipment is essentially booked to capacity for its entire lifespan

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. Hood attempted to reassure investors that the majority of capital spending and GPU purchases are "already contracted for most of their useful life," reducing the risk of stranded assets

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. However, UBS analyst Karl Keirstead noted that both Azure and Microsoft 365 segments "fell a bit short" of growth expectations, identified as the key negative from the quarterly earnings

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. Looking ahead to Q3, Microsoft forecasts revenue between $80.65 billion and $81.75 billion, representing 15% to 17% revenue growth, while expecting lower capital expenditures due to timing variability in cloud infrastructure buildouts

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