🔍 Read the full analysis: What Amazon’s Cash Spending Says About AWS’s Five-Year Growth Run on ThorstenMeyerAI.com
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TL;DR
Amazon said AWS revenue rose 39% to $46.0 billion in the third quarter, its fastest growth since late 2021, while its contracted future revenue backlog reached $578 billion. At the same time, Amazon spent $75.9 billion on capital investments in the quarter and reported negative trailing-12-month free cash flow of $42.4 billion, putting the timing and financing of its AI build-out in focus.
Amazon reported 39% AWS revenue growth to $46.0 billion in the third quarter, its fastest pace since late 2021, as the cloud division’s contracted future revenue rose to $578 billion. The acceleration came with a substantial cash cost: Amazon spent $75.9 billion on capital investments during the quarter, and its trailing-12-month free cash flow fell to negative $42.4 billion, a financial trade-off investors weighed after the results.
AWS operating income climbed 55% to $17.8 billion, according to Amazon’s October 29 results. The company said AWS growth accelerated for a sixth consecutive quarter, rising from 17% in the second quarter of 2025 to 39% in the latest quarter, excluding currency effects. Chief Executive Andy Jassy said AWS’s contracted future revenue, or backlog, increased to $578 billion from $496 billion three months earlier.
Chief Financial Officer Brian Olsavsky said the quarter’s cash capital spending primarily related to AWS and artificial intelligence. Jassy said most of Amazon’s roughly $220 billion capital-spending plan for 2026 would go to AWS, and that spending in 2027 would be “meaningfully more.” Amazon had planned about $200 billion for 2026 in February, then raised its estimate in July, citing higher memory prices, according to the source material.
Amazon’s trailing-12-month free cash flow was negative $42.4 billion, compared with positive $14.8 billion a year earlier. The company generated $168.3 billion in operating cash over that period, while capital spending reached $210.7 billion. The source estimates quarterly free cash flow at about negative $33.5 billion, but labels that figure as its own calculation rather than a company-reported metric. Earnings per share of $1.89 also fell short of analysts’ $1.96 estimate; advertising revenue missed expectations, and Amazon’s holiday-quarter revenue forecast was slightly below forecasts cited by CNBC.
Infographic 01 · The scorecard
Fastest cloud growth in five years, deepest cash gap.
Amazon’s third quarter (July to September 2026), scored against the four numbers from my 28 October preview.
The four numbers from my preview, scored for Amazon
Status chips: ok = healthy, hold = watch, urgent = warning sign. My assessment.
- 1 · Capex planAbout $220B for 2026, unchanged holdRaised from $200B in July, citing memory prices. 2027: “meaningfully more”, no number.
- 2 · Cloud vs. capexAWS +39%, operating income +55% holdGross capex +120% vs. a year earlier ($77.3B vs. $35.1B, my arithmetic). Revenue grows fast; spending faster.
- 3 · Free cash flow + fundingDeeply negative, financed with bonds urgentAbout −$33.5B in the quarter (my arithmetic). $48.1B of new long-term debt in Q3.
- 4 · CapacityCustomers take it as fast as it is installed okBacklog +$82B in one quarter. Big blocks reserved well in advance; visibility into 2027–2028.
What beat
- AWS revenue $45.98B vs. $45.29B expected
- AWS operating income $17.77B vs. $16.97B expected
- Operating margin 13.9%, Amazon’s highest ever
What missed
- Earnings per share $1.89 vs. $1.96 expected
- Advertising $19.64B vs. $20.82B expected
- Q4 revenue guide midpoint $243.5B vs. $244.5B expected
- Shares down more than 6% after hours (CNBC; GeekWire: more than 7%)
Sources: Amazon Q3 2026 release, 29 Oct 2026; Amazon Q3 call, third-party transcript; CNBC, 29 Oct; CNBC, 30 Jul; GeekWire, 29 Oct. Analyst expectations as reported by CNBC (LSEG, StreetAccount). Quarterly free cash flow and capex growth: my arithmetic from Amazon’s cash flow statement. Status chips: Thorsten Meyer.
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The Cost of AWS Capacity Growth
The results show the financial tension behind Amazon’s AI and cloud expansion: customer commitments are growing, but building capacity requires major spending before all of that contracted business turns into revenue and cash. The $82 billion increase in AWS backlog during the quarter is a measure of future contracted demand, not cash already received or profit already earned. Amazon must still construct, equip and power the capacity needed to serve customers.
For investors, the issue is not simply whether AWS is growing. They must also judge whether the resulting revenue and operating income will eventually justify the outlay, and how Amazon will fund the gap in the meantime. The source reported that Amazon shares fell more than 6% in after-hours trading following the results. That decline occurred alongside the cash-flow concerns and earnings and forecast shortfalls; the available information does not establish a single cause for the market move.
For businesses buying cloud services, the build-out could affect access to computing capacity and the mix of chips available. The source says large blocks of AI capacity are reserved well in advance, while short-term capacity on older AI chips can command a premium. Amazon’s spending is therefore relevant both to its balance sheet and to customers waiting for the computing resources needed for AI workloads.
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From Cloud Expansion to AI Build-Out
The latest quarter extends an acceleration that began in 2025. AWS revenue growth rose from 17% to 39% across the six quarters cited in the source, with each reported quarterly rate higher than the last. The new figure is the fastest AWS growth reported since the end of 2021. This is a change in pace, not evidence that the current rate will continue indefinitely.
Amazon says its investment covers data-center buildings and equipment as well as chips it designs, including Trainium AI accelerators and Graviton processors. Jassy said Amazon was installing an AI accelerator about every 14 seconds. He also said revenue commitments for its own chips had grown more than 20-fold in a year; that is a company statement, and the source does not provide the underlying dollar amounts. Amazon’s statement that customers saved more than $2 billion in the quarter using its chips is also a company-reported estimate.
Amazon’s property and equipment rose from $357.0 billion at the end of 2025 to $508.9 billion at the end of September, according to the source. Depreciation and amortization, which allocates asset costs over time, increased 25% to $20.9 billion in the quarter. That cost can continue to affect reported earnings after the equipment is purchased. The company has also said it plans to offer Trainium chips outside AWS starting in late 2027.
“The majority of the roughly $220 billion planned for 2026 goes to AWS.”
— Andy Jassy, Amazon chief executive
How Quickly Spending Pays Back
The $578 billion backlog represents contracted future revenue, but Amazon has not specified in the material provided how quickly those commitments will be recognized as revenue, what margins they will produce, or how much additional investment will be required to deliver them. The backlog does not by itself establish when the current spending will generate positive free cash flow.
Amazon’s full breakdown of the $75.9 billion quarterly cash outlay is also not provided. The company says most planned 2026 spending is directed to AWS and that quarterly spending primarily relates to AWS and AI, but it has not quantified the shares going to data centers, chips, power, memory, or other equipment. The source says Amazon did not state how much it spends on power.
It is also unclear how long free cash flow will remain negative, how Amazon will finance the continuing build-out, and whether customer demand and chip supply will match the capacity being installed. The claim that renting capacity from specialist cloud providers reduces operating margin by about 35 percentage points was made by Jassy and is not presented as an independently audited comparison.
More Spending, New Capacity Milestones
Amazon’s near-term guide is for approximately $220 billion in capital spending in 2026, with spending expected to be meaningfully higher in 2027, according to Jassy. The next results will show whether AWS can keep converting its backlog into revenue and operating income while the company continues to add infrastructure. Investors will also be watching free cash flow, capital-spending levels and depreciation costs.
For cloud customers, the practical milestones are when reserved AI capacity becomes available and whether chip supply and electricity infrastructure can keep pace with demand. Amazon has said it plans to sell Trainium chips outside AWS from late 2027, though details of that offer were not included in the source material. The timing and financial return of the broader investment remain open questions.
Key Questions
How fast did AWS grow in the third quarter?
AWS revenue rose 39% to $46.0 billion in the July-to-September quarter, according to Amazon. The company described it as the fastest growth since late 2021.
How much did Amazon spend on capital investments?
Amazon reported $75.9 billion in cash capital spending during the quarter. Its chief financial officer said the spending primarily related to AWS and AI.
What does the $578 billion AWS backlog mean?
It is AWS’s contracted future revenue, as reported by Jassy. It rose from $496 billion three months earlier, but it is not cash already collected, and the source does not say how quickly the contracts will be recognized as revenue.
Why was Amazon’s free cash flow negative?
Over the 12 months covered, Amazon generated $168.3 billion in operating cash and spent $210.7 billion on capital investments. The source reports trailing-12-month free cash flow of negative $42.4 billion, as infrastructure spending exceeded operating cash generation.
Will Amazon’s spending continue to rise?
Amazon expects about $220 billion in capital spending in 2026, and Jassy said 2027 spending would be “meaningfully more.” The source does not provide a more detailed 2027 total or a forecast for when free cash flow may turn positive.
Source: ThorstenMeyerAI.com
