---
title: "Microsoft Resells the Frontier"
description: "Google Cloud grew 82% to Azure's 43%. Owning the model \u0026 the chip funds the aggression; renting both, \u0026 carrying half a backlog in one borrower, funds the hedge."
categories: ["cloud","AI","financials"]
keywords: ["Azure growth rate","Microsoft capex","commercial RPO","OpenAI Azure commitment","Nvidia credit default swaps","AI infrastructure spending"]
ai_summary: "Google owns its models \u0026 chips \u0026 spends aggressively on the margin that ownership captures, while Microsoft resells both layers \u0026 hedges with capacity it can stop buying."
date: 2026-07-29
lastmod: 2026-07-30
canonical_url: https://www.tomtunguz.com/microsoft-resells-the-frontier/
author: "Tomasz Tunguz"
---


Azure grew 43% last quarter, closing a fiscal year in which it passed $100b of revenue at 41% growth.[^1] Google Cloud grew 82%.

{{< email_image src="hiarjxeib2ihahnljk6c" alt="Year-over-year cloud revenue growth by quarter showing Azure re-accelerating to 43% while Google Cloud reaches 82%" width="540" height="317" >}}

Eighteen months ago the three grew within a few points of each other.[^2] The smallest now compounds at nearly twice Azure's rate & almost three times AWS's.

{{< email_image src="rkc8mekrwjjwmqnh2xxe" alt="Quarterly cloud revenue by provider showing Microsoft Intelligent Cloud at $39.3b, AWS at $37.6b & Google Cloud at $24.8b" width="540" height="284" >}}

Google is spending to win the race. Alphabet's $44.9b of quarterly capex runs at nearly twice Google Cloud's $24.8b of revenue, & cloud operating margin still expanded from 20.7% to 35.6% as operating income tripled.[^2]

That margin is the point. Google owns the model & designs the chip, so it keeps the economics a reseller pays away. This aggression is informed by superior economics.

In contrast, Microsoft must adopt a different strategy. Maia 200 & Cobalt are real if nascent, but Google sells TPUs as systems while Microsoft still deploys mostly merchant silicon, renting Nvidia's roadmap at Nvidia's margin.[^3]

Two things follow. A thinner margin structure buys less capacity per dollar of revenue, & the exposure behind its backlog argues for restraint even where it could afford to spend.

Microsoft will still spend more than $50b next quarter, & the $35.8b on the chart is only cash, nearer $41b once finance leases count. Roughly two-thirds goes to CPUs & GPUs rather than land & concrete.[^3] Hood frames that as flexibility: "if the demand environment changes, you just slow down what is, in fact, the largest component." The likelier reading is capacity you can actually buy, funded from cash flow, without underwriting a decade of concrete.

{{< email_image src="mzwvmt4a0wkqwj8vdofh" alt="Quarterly hyperscaler capex through Q2 2026 showing Microsoft lowest at $35.8b against Google at $44.9b" width="540" height="301" >}}

Concentration is the other reason to hold back. Contracted backlog reached $678b, the largest of the three, but Hood disclosed that it "increased 25% when excluding OpenAI."[^3] Of roughly $310b added this year, some $220b traces to one customer that has committed to buy $250b of Azure capacity.[^4] Nearly half Microsoft's future book rests on one company that funds its commitments from capital markets rather than profits.

{{< email_image src="iugnb2pnvkp6oh7tzvgm" alt="Cloud backlog & remaining performance obligations showing Microsoft at $678b, Google Cloud at $514b & AWS at $364b" width="540" height="276" >}}

The market isn't blind to these risks. Nvidia's five-year credit default swaps hit a record 82 basis points on Monday, doubling from 40 at the start of the month, after reports it would guarantee $250b of OpenAI datacenter leases.[^5]

The bear case: hedge during uncertainty.

Nadella sells a stack where "every model is substitutable," a virtue you emphasize when you do not own the frontier. Reselling it leaves Microsoft paying someone else's margin on every incremental workload.

The elephant in the room is actually a circle of elephants. Nvidia is guaranteeing OpenAI's datacenter leases & financing its chip purchases, so the same borrowed dollar shows up as contracted backlog on more than one balance sheet.[^5] S&P downgraded Oracle to one notch above junk for the same reason, naming OpenAI a central credit risk against roughly half of its $638b book.

Google presses because it owns the stack & the ROI is juicy. Microsoft hedges because it resells both layers & half its forward book depends on one borrower.

The three clouds are all accelerating, the circularity is increasing, spreads are widening, & Amazon reports tomorrow.[^6]

[^1]: [Microsoft FY26 Q4 earnings press release](https://www.microsoft.com/en-us/Investor/earnings/FY-2026-Q4/press-release-webcast): Azure & other cloud services revenue up 43%, commercial RPO up 84% to $678b, total revenue of $90.0b up 18%, Intelligent Cloud revenue of $39.3b up 32%, & Azure surpassing $100b of annual revenue for the first time. The 41% full-year Azure growth rate is from Satya Nadella's remarks on the Q4 FY26 earnings call.
[^2]: Alphabet Q2 2026 earnings: Google Cloud revenue of $24,768m up 82%, cloud operating income of $8.8b against $2.8b a year earlier, operating margin of 35.6% against 20.7%, & capex of $44,924m. Alphabet capex supports Search & YouTube alongside Cloud, so the ratio to cloud revenue is illustrative rather than a segment figure. AWS growth of 28% is Q1 2026 per Amazon's Form 10-Q.
[^3]: Microsoft Q4 FY26 earnings call, July 29, 2026. Amy Hood on RPO growth of 25% excluding OpenAI, sequential RPO growth from customers outside Frontier model companies, nearly 90% of full-year cloud revenue from the same group, Q1 capex guidance above $50b, roughly two-thirds of capex in short-lived assets, & demand continuing to exceed available supply. Nadella on adding 31 datacenters in the quarter & reducing deployment times for new GPUs in the largest regions by nearly 50%. Cash capex of $35.8b was about $41b including $5.6b of finance leases, funded from operating cash flow of $55.4b with free cash flow of $19.6b. Nadella on Maia 200, Cobalt, & model substitutability.
[^4]: OpenAI contracted to purchase an incremental $250b of Azure services in the October 2025 restructuring. [Microsoft demand backlog doubles to $625 billion thanks to OpenAI](https://fortune.com/2026/01/28/microsoft-stock-drops-azure-growth-slows-capex-spending-q2/): roughly 45% of the January 2026 balance of $625b attributed to OpenAI. Microsoft has not disclosed an updated share of the $678b Q4 balance; the $220b is derived from the reported 84% total & 25% ex-OpenAI growth rates.
[^5]: [Nvidia's rising CDS the talk of Wall Street amid circular financing fears](https://finance.yahoo.com/markets/stocks/articles/nvidia-rising-cds-talk-wall-123955612.html): five-year CDS of 82 basis points on July 27, 2026, against 68 the prior session & 40 at the start of the month. [S&P downgrades Oracle to BBB-](https://www.heise.de/en/news/S-P-downgrades-Oracle-to-BBB-only-one-notch-above-junk-level-11363472.html) on July 9, 2026, one notch above speculative grade, citing AI datacenter investment & naming OpenAI a central credit risk, with roughly half of Oracle's $638b of contracted backlog attributable to OpenAI alone; Oracle's five-year CDS reached roughly 215 basis points. [Alphabet's free cash flow turns negative](https://www.semafor.com/article/07/23/2026/alphabets-free-cash-flow-turns-negative): negative $5.9b in Q2 2026, its first negative quarter since the 2004 IPO. Azure Q1 growth guidance of approximately 45% per the Q4 FY26 earnings call.
[^6]: Amazon Q1 2026 Form 10-Q: AWS segment sales of $37,587m, 28% growth, backlog of $364b. Amazon reports Q2 2026 results on July 30, 2026. Latest reported quarters show all three accelerating: Azure 40% to 43%, Google Cloud 63% to 82%, & AWS 24% to 28%.