Paying Software Prices for Refinery Economics

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For a quarter of a century, the hyperscalers have been some of the most profitable and technologically innovative businesses ever created. The reason was clear: their marginal cost per additional customer was almost zero. Costs were fixed and scale was effectively unlimited, which meant margins widened as volume grew. In the years before the current AI build, Alphabet earned 39 cents and Microsoft earned 61 cents on every dollar of capital1 . Paying 24 to 332 times profit to own them was aggressive but defensible.

Defensible in part because someone else had already paid for the ground they were built on. Around the turn of the century, the telecom industry laid enough fiber to carry the internet for a generation and went broke in the process. The hyperscalers had a genuine technological moat, but they earned those returns as beneficiaries of the last capital cycle rather than participants in it. In this cycle, they are participants — their own money, their own balance sheets, and price well down the decision tree.

Artificial intelligence disrupts the historical model. It demands massive amounts of physical capital before a dollar of revenue arrives, and it does not scale economically, as costs rise roughly with usage instead of staying fixed. The cost of serving a customer rises with how hard that customer makes the machine work.

See more: AI Can Help You Build Faster. It Won't Make Billing Low-Risk.

On the capital side, power gets the headlines, but the more important cost is depreciation on the GPUs themselves, and that cost runs on a clock. A GPU loses most of its value in three to four years whether it is busy or not, primarily because the next generation makes it obsolete well before it wears out. They have set up a fixed and perishable inventory of GPU-hours that has to be sold before it expires. This is like the economics of a container ship or a refinery, not software.

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