Amazon's AI Arms Race Comes at a Cost as Cash Flow Dries Up

Amazon's Q1 revenue and profit soared past expectations, but a 95% free cash flow drop and $200B AI investment plan sent stock down 3% in after-hours trading.

Amazon delivered a blockbuster first quarter that blew past Wall Street expectations, yet the stock slipped more than 3% in after-hours trading. The disconnect between operational brilliance and financial reality has rarely been starker for the e-commerce and cloud computing giant.

The numbers on the surface were pristine. Revenue jumped 17% to $181.5 billion, while earnings per share of $2.78 crushed analyst estimates. But investors zeroed in on a figure buried deeper in the financial statements: free cash flow over the trailing twelve months collapsed 95% to just $1.2 billion.

That cash flow implosion stems directly from Amazon's all-in bet on artificial intelligence infrastructure. Capital expenditures surged 76% in the quarter to $43.2 billion, and the company is sticking to its full-year 2026 investment budget of roughly $200 billion — the vast majority earmarked for data centers and proprietary hardware.

Cloud Acceleration Powers the Engine

Amazon Web Services remains the star of the show. The cloud division posted 28% revenue growth to $37.6 billion, its fastest expansion in nearly four years and well above the 25% analysts had penciled in. CEO Andy Jassy noted that AWS now generates an annualized revenue run rate of $150 billion — a remarkable acceleration given the much larger base compared to the last growth surge in 2022.

The AWS backlog tells an even more dramatic story. It ballooned to $364 billion at quarter-end, up from $244 billion just three months earlier. That figure doesn't even include a recently signed multi-year agreement with Anthropic valued at over $100 billion.

AI-specific services within AWS now produce an annualized revenue stream exceeding $15 billion. The company's custom chip development is gaining serious traction too. The Graviton and Trainium product lines together generate over $20 billion in yearly revenue. Meta has committed to deploying tens of millions of Graviton CPUs for its AI agent infrastructure — a deal that signals broader industry validation.

The new Trainium3 chip has been shipping since early 2026 and is nearly fully booked. Customers have already reserved most of the capacity for its successor, Trainium4, which won't be broadly available for another 18 months.

Advertising Hits a Milestone

Amazon's advertising business crossed the $70 billion mark on a trailing twelve-month basis for the first time. First-quarter ad revenue climbed 24% to $17.2 billion. In North American retail, operating margins improved to 9.0%, driven by more efficient logistics and the expansion of same-day delivery.

The core online retail business posted double-digit volume growth — its strongest since the pandemic era ended.

The Hidden Cost of Dominance

CFO Brian Olsavsky defended the spending spree, arguing that AWS must secure land, power, and chips sometimes two years in advance. The high demand for AI services requires these upfront commitments, he said, and they are backed by firm customer contracts.

But the earnings quality deserves scrutiny. Net income was significantly boosted by $16.8 billion in non-operating gains from Amazon's stake in AI startup Anthropic. Strip out that one-time windfall, and the bottom line looks considerably less impressive.

Amazon recently agreed to pour another $25 billion into Anthropic while simultaneously planning a $50 billion investment in OpenAI, both tied to long-term cloud contracts. The company is also preparing to launch its Project Kuiper satellite internet service in the third quarter, adding another layer of capital demands.

What Comes Next

For the current quarter, Amazon guided for net revenue between $194 billion and $199 billion, representing 16% to 19% growth. Operating income is expected to land between $20 billion and $24 billion, with the caveat that the annual Prime Day event is being moved to June this year to bolster second-quarter results.

The stock closed Wednesday at €225.30, just shy of its 52-week high and up roughly 17% year-to-date. On a monthly basis, shares have gained about 25%. The market has already priced in the AWS acceleration — whether the $364 billion backlog translates into actual revenue will ultimately determine whether that valuation holds.

For now, Amazon is making a calculated wager: burn cash today to own the AI infrastructure of tomorrow. The early returns are promising, but the bill is coming due faster than many investors expected.