AWS Grew 37% on AI Demand — and Amazon's Free Cash Flow Went Negative Paying for It
Source: CNBC — 2026-07-30
Summary
Amazon's Q2 2026 earnings showed AWS revenue growth of 37% year-over-year — beating the roughly 31% analysts expected, and its fastest pace since 2021 — driven by AI workloads. The company raised its full-year 2026 capex forecast to $220 billion (from a prior $200B guide), citing AI investment and higher memory costs; quarterly capex hit $54.2 billion versus $32.1 billion a year earlier, and trailing-12-month free cash flow flipped negative, at -$7.6 billion versus +$18.2 billion a year prior.
Key Takeaways
- AWS grew 37% year-over-year, its fastest growth rate since 2021, beating analyst expectations of roughly 31% — a clear signal that enterprise AI workloads are now a material demand driver for cloud infrastructure, not just a talking point.
- Amazon raised full-year 2026 capex guidance from $200B to $220B, explicitly citing AI investment and rising memory-chip costs.
- Quarterly capex jumped to $54.2B, up from $32.1B in the same quarter a year earlier — a 69% year-over-year increase in spending.
- Trailing-12-month free cash flow flipped from +$18.2B a year ago to -$7.6B now — Amazon is currently spending more cash building AI infrastructure than the entire company generates, a direct look at what "AI infrastructure buildout" costs in cash terms rather than headline revenue growth.
Reel Script
Hook Amazon's cloud business just had its best growth quarter since 2021 — and the same earnings report shows the company is now burning cash to pay for it.
Core Concept AWS growing 37% is the good headline: that's Amazon's cloud division, and 37% year-over-year growth for a business this size is genuinely fast, faster than Wall Street expected, driven by companies renting AI compute. But growth and cash flow are two different measurements. Free cash flow is what's left over after a company pays for everything, including capital expenditures — the data centers, chips, and networking gear AWS needs to actually serve that growing AI demand. When capex grows faster than the cash coming in, free cash flow shrinks, and if it grows fast enough, free cash flow goes negative even while revenue is climbing.
Hands-On Here's the trajectory: full-year 2026 capex guidance just got raised from $200 billion to $220 billion. Quarterly capex alone hit $54.2 billion, up from $32.1 billion the same quarter last year — spending nearly doubled year-over-year. And the number that actually captures the squeeze: trailing-12-month free cash flow went from positive $18.2 billion a year ago to negative $7.6 billion now. That's a roughly $26 billion swing in the wrong direction, in cash terms, in twelve months — while revenue growth accelerated.
Takeaway Revenue growth and cash generation are telling opposite stories right now, and both are real: AI demand for AWS is genuinely strong, and building the capacity to serve it is genuinely expensive enough to flip a company Amazon's size cash-flow negative. Don't read "AWS grew 37%" as unambiguously good news without also checking what it cost to produce — the capex-to-cash-flow ratio is the number that tells you whether this growth is sustainable or borrowed against future earnings.