Nvidia Is in Talks to Backstop $250 Billion So OpenAI Can Rent a $500 Billion Campus. The Chip Vendor Is Becoming the Bank.

TL;DR

Nvidia is in talks to provide a roughly $250 billion backstop for OpenAI, The Wall Street Journal reported on Sunday, in what would be one of the largest financing commitments a single company has ever made. The guarantees would let OpenAI lease a 10-gigawatt data center campus that SoftBank's energy subsidiary, SB Energy, is developing in southern Ohio, a project expected to cost at least $500 billion to build. Reuters and Bloomberg picked up the report; nobody involved is commenting, and no deal is signed. Selling shovels in a gold rush is famously good business. Nvidia has moved on to mortgaging the mine.

The deal on the table

Per the WSJ reporting, the structure looks like this: SB Energy builds and owns a 10-gigawatt campus near Piketon, Ohio, on the grounds of the former Portsmouth Gaseous Diffusion Plant, a Department of Energy uranium-enrichment site. OpenAI signs a 20-year lease and starts paying rent once the site is operating, with the first phase expected online in 2028 running Nvidia's Vera Rubin platform. Power is planned at 9.2 gigawatts or more of natural gas plus renewables, per Network World.

Nvidia's role is the new part. It would guarantee both OpenAI's lease obligations and SB Energy's project financing, roughly $250 billion of exposure. The guarantee is what lets SB Energy borrow the construction money at all: lenders who might balk at a half-trillion-dollar bet on one tenant's future revenue will happily lend against the balance sheet of the most valuable chipmaker on earth.

If the mechanism sounds exotic, it isn't. It is a cosigner. Nvidia is the parent cosigning the biggest apartment lease in history so the landlord can get a mortgage, with one twist a bank would never allow: the parent also owns the store where the kid spends the allowance.

How the number got here

This did not come out of nowhere. In September 2025, Nvidia and OpenAI signed a letter of intent to deploy at least 10 gigawatts of Nvidia systems, with Nvidia intending to invest up to $100 billion progressively as each gigawatt came online, starting with a $10 billion tranche. By November 2025, Nvidia was cautioning there was "no assurance" that pact would become a final agreement. The Information reported in June that the Ohio lease talks had Nvidia attached as the financial backer. The WSJ report puts a number on that role, and the number is 2.5 times the entire original investment ceiling.

Follow the money. It goes in a circle.

Trace each arrow in this deal and the shape that emerges is a loop. Nvidia's guarantee unlocks the lenders. The lenders fund SB Energy. SB Energy builds the campus and leases it to OpenAI. OpenAI fills it with Vera Rubin racks, bought from Nvidia, and pays 20 years of rent that Nvidia has guaranteed will arrive.

Critics have been calling the AI economy circular for a year, usually pointing at equity: vendor invests in customer, customer spends it on vendor. A guarantee is a different and heavier instrument. Equity you can lose once. A guarantee means that if OpenAI's revenue ever fails to cover its rent, the obligation does not shrink or get renegotiated away. It lands on Nvidia, for up to a quarter of a trillion dollars, on a lease that runs two decades.

The balance sheet trick

Here is the part that should feel familiar if you read Nikkei's analysis from last week: big tech is already carrying $1.65 trillion of AI-related obligations, mostly uncommenced leases and undelivered hardware contracts, that sit in filing footnotes rather than on balance sheets. That figure now exceeds the $1.35 trillion of debt the same five companies actually report.

A guarantee is the purest form of that pattern. Until it is called, it is a contingent liability, a footnote, not debt. SoftBank gets the borrowing capacity, OpenAI gets the compute, and Nvidia gets the exposure in the one place standard leverage screens do not look. The buildout keeps finding structures that move the risk somewhere quieter, and this would be the largest single instance yet.

Why you should care about someone else's lease

If you build on the OpenAI API, this is the supply chain of your token bill. Ten gigawatts is on the order of ten million GPUs' worth of campus, and a financed, guaranteed buildout is how inference prices keep falling instead of spiking every product cycle. The bull case is simple: more committed capacity, cheaper tokens, fewer rate limits.

The bear case is concentration. Nvidia would now be OpenAI's chip supplier, investor, and credit backstop simultaneously, which binds the two largest names in AI into a single failure domain. A world where OpenAI stumbles was previously a world where OpenAI's investors lose money. In this structure it is also a world where Nvidia absorbs a $250 billion obligation while its biggest customer stops ordering. The phrase "too big to fail" got retired from AI discourse roughly never, and this deal is why.

There is also a quieter tell in the location. The campus is planned for a former uranium-enrichment complex, which means the land has prior experience hosting whatever the government currently considers the strategic technology of the age.

The caveats, straight

• These are talks. The WSJ cites people familiar with the matter; formal terms are not finalized, and Reuters says it could not independently verify the report.
• Nvidia, OpenAI, and SoftBank have not commented.
• Nvidia has walked the "letter of intent" tightrope before: it publicly cautioned in November 2025 that the $100 billion OpenAI pact carried no assurance of becoming a final deal. A reported negotiation is not a commitment.
• The $500 billion project cost is a build estimate at current prices for chips, power, and construction, over a buildout expected to take at least a decade. Every input in that sentence is volatile.

Key Takeaways

• The WSJ reports Nvidia is negotiating a roughly $250 billion backstop covering both OpenAI's 20-year lease and SB Energy's financing for a 10-gigawatt campus in southern Ohio, expected to cost at least $500 billion.
• The guarantee is what unlocks the debt: lenders underwrite Nvidia's balance sheet, not OpenAI's revenue projections.
• It escalates the September 2025 partnership, which capped Nvidia's progressive investment at $100 billion, and converts vendor financing from equity risk into a callable, decades-long obligation.
• The money flows in a loop: Nvidia's guarantee funds a campus whose tenant spends its budget on Nvidia hardware, deepening the circularity critique of AI capex.
• Guarantees live off balance sheet until called, extending the $1.65 trillion footnote economy Nikkei documented across big tech last week.
• Nothing is signed. Reuters could not verify the report, no company is commenting, and Nvidia has previously stressed that even the $100 billion pact carried "no assurance" of closing.

Sources: Reuters (via Yahoo Finance), Bloomberg, Network World, The Information, OpenAI, NVIDIA Newsroom, CNBC, Nikkei Asia