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Amazon (AMZN) reports Q1 2026 earnings tomorrow with free cash flow down 37% YoY as capex consumes 94% of operating cash flow, while Meta (META) guided 2026 capex to $115B-$135B, Microsoft (MSFT) spent $29.88B in Q2 FY26 alone, and Alphabet (GOOGL) guided $175B-$185B as the four hyperscalers collectively plan $600B in capex spending.

Wall Street is scrutinizing whether the hyperscalers can monetize their massive AI infrastructure investments fast enough, with the profit angle hinging on AWS growth acceleration, Azure guidance, and Google Cloud’s ability to sustain its 48% Q4 growth rate to justify the $600B collective spend.

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Big Tech's capital expenditure plans for 2026 are stacking up to roughly $600 billion across the four hyperscalers, and Wall Street wants receipts. Amazon (NASDAQ:AMZN) reports Q1 2026 results tomorrow after the close, kicking off the most scrutinized earnings season in years.

Here is the math behind the question. Meta (NASDAQ:META) guided 2026 capex to $115B-$135B. Amazon committed to about $200 billion, predominantly AWS. Microsoft (NASDAQ:MSFT) spent $29.88B in Q2 FY26 alone. Alphabet (NASDAQ:GOOGL) guided $175B-$185B. Andy Jassy framed it bluntly: "As fast as we install this capacity, this AI capacity, we are monetizing it."

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Markets are pricing optimism. Polymarket assigns a 95.7% probability Alphabet beats, 93.8% for Microsoft, and 94% for Amazon. Yet the price action tells a split story: GOOGL is up 12% YTD, AMZN 13%, while MSFT is down 12%.

What I am watching: the gap between spend and proof. Amazon's free cash flow already cratered 37% YoY in Q4 as capex consumed 94% of operating cash flow. Microsoft's commercial RPO surged 110% to $625B, and Google Cloud's backlog hit $155B. Backlog visibility is the cleanest justification for the spend.

The profit angle: AWS growth rate, Azure guidance, and Google Cloud's 48% Q4 print are the scoreboard. If acceleration holds, the $600 billion gets validated. If not, margin compression bites the names with the thinnest backlog cover first.

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