Quick Read
MSFT surged 15% post-earnings while GOOGL slipped, after both doubled capex and GOOGL posted its first-ever negative free cash flow quarter.
Alphabet’s full-stack TPU-to-Gemini approach cuts Nvidia dependency, while Microsoft’s OpenAI partnership created a $4.9B GAAP revenue drag from partner losses.
Alphabet’s 15 P/E looks compelling if capex peaks, but Microsoft’s $678B contracted backlog delivers revenue certainty that justifies its higher multiple.
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Alphabet (NASDAQ:GOOGL) and Microsoft (NASDAQ:MSFT) closed out two of the most watched earnings reports of the summer. Both beat handily. Both doubled infrastructure spend. Yet the market treated them very differently, and the reason sits inside one question: when does AI capex stop being a cost and start being a return?
Two Cloud Engines, Two Very Different Bills
Alphabet delivered $119.796 billion in Q2 revenue, with Google Cloud accelerating to 82% growth and cloud operating margin jumping to 35.6%. Capex hit $44.9 billion in a single quarter, free cash flow fell to negative $5.9 billion, and management raised full year 2026 capex guidance to $195 billion to $205 billion. The buyback was suspended.
Microsoft reported $90.01 billion in Q4 FY2026 revenue with Azure up 43% and full year Azure crossing $100 billion. Copilot hit 30 million paid seats and commercial RPO ballooned to $678 billion, up 84%. Free cash flow slipped 23.19% to $19.64 billion.
Full Stack Versus Partnership Math
Sundar Pichai leaned into vertical integration, saying results reflect a “differentiated, full stack approach to AI”. Google owns the TPUs, Gemini models, and the Search surface where 22 billion API tokens per minute now flow. Satya Nadella framed Microsoft’s edge differently, saying the company is “advancing the frontier on the cost-to-outcome curve” by monetizing OpenAI compute through Azure and Copilot layered on Microsoft 365.
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Accounting for OpenAI losses resulted in a $4.9 billion revenue drag on full-year GAAP metrics, exposing friction from leaning on an outside foundation-model partner. Alphabet keeps Search monetization structurally protected, while its lower “Nvidia tax” keeps free-cash-flow conversion robust despite elevated infrastructure buildouts.
