Iran rejects US claim to Hormuz as ship attacks mount600 drones head for Moscow as Russia strikes Kyiv and Kryvyi RihDeath toll passes 50 after magnitude 7.7 quake off FloresIsraeli strikes kill 11 in south Lebanon, deadliest since June truceColombia asks Trump to suspend tariffs as quake toll climbsRhine hits record low at Kaub as Hungary sinks barges to cool reactorUS readies unprecedented economic measures against IranUS boat strikes pass 200 dead as Ecuadorean fishermen describe attacksBond traders struggle to price $70bn of credit backstops behind AI buildoutAlibaba says its open AI models passed three billion downloadsDeath toll rises to 68 after Lake Kariba ferry sinkingTaliban mark five years in power as UN warns of rights crisisEU aircraft join fight against Belgium's record wildfireUS presses Netanyahu over settlers as Qusra homes are occupiedMokha port halts operations as Houthi missiles hit MaribSeoul proposes talks to end the Korean war as North rejects drillsChina-led perovskite solar plant outperforms silicon in three-month field testOpenAI revenue run rate passes $40bn as revenue chief departsHamas leader in Cairo as Kushner trip nearsWHO says Congo's Ebola outbreak is outpacing the responseTurkish parliament passes amnesty law for PKK membersMorocco detains scores near Ceuta as feared mass crossing fails to materialiseChina publishes ecology reports to bolster South China Sea claimsMyanmar says more than 300,000 Rohingya verified for repatriationPetrobras detects signs of oil off the mouth of the AmazonChina condemns Japanese politicians' moves at Yasukuni ShrineUS inflation cools as wages again lag behind pricesModi offers free exam coaching after youth protests in IndiaOil from grounded Russian tanker reaches Oman's coastPanama Canal cuts draught again as Mexico pitches rival corridorUkraine's idle ports cost $1.75bn as farm exports fallFormer Chinese premier Zhu Rongji diesAt least 20 killed in communal clashes in central NigeriaIran accuses Qatar of holding three of its pilotsXi calls for shift to prevention as floods batter ChinaVenezuela frees 131 more political prisonersMore Syrians in Germany lose refugee protectionAudit finds gaps in Taiwan's counter-drone defencesIndia drafts rules to open nuclear power to private firmsHichilema takes early lead as Zambian count resumesParis prosecutors open investigation into tax portal hackReport details leverage behind Situational Awareness lossesArgentina has lost 30,633 companies under MileiAt least five dead in Indiana floodingIran detains two French diplomats over alleged infiltrationCanadian petition to expel US ambassador passes 170,000 signaturesIndia raises $50bn from its diaspora and ends swap facility earlyOpaque start-ups build erotic AI industry from Cyprus and MaltaBritain's biggest EV battery plant shelves expansion as Jaguar Land Rover talks stallThird drone debris find in a day on Turkish coastsForecasters put 95 percent odds on a very strong El NiñoSecondhand booksellers suspect AI firms behind bulk ordersEtna alert lowered as Catania airport reopensFuneral held for Indigenous girl whose death sparked outback riotsIran rejects US claim to Hormuz as ship attacks mount600 drones head for Moscow as Russia strikes Kyiv and Kryvyi RihDeath toll passes 50 after magnitude 7.7 quake off FloresIsraeli strikes kill 11 in south Lebanon, deadliest since June truceColombia asks Trump to suspend tariffs as quake toll climbsRhine hits record low at Kaub as Hungary sinks barges to cool reactorUS readies unprecedented economic measures against IranUS boat strikes pass 200 dead as Ecuadorean fishermen describe attacksBond traders struggle to price $70bn of credit backstops behind AI buildoutAlibaba says its open AI models passed three billion downloadsDeath toll rises to 68 after Lake Kariba ferry sinkingTaliban mark five years in power as UN warns of rights crisisEU aircraft join fight against Belgium's record wildfireUS presses Netanyahu over settlers as Qusra homes are occupiedMokha port halts operations as Houthi missiles hit MaribSeoul proposes talks to end the Korean war as North rejects drillsChina-led perovskite solar plant outperforms silicon in three-month field testOpenAI revenue run rate passes $40bn as revenue chief departsHamas leader in Cairo as Kushner trip nearsWHO says Congo's Ebola outbreak is outpacing the responseTurkish parliament passes amnesty law for PKK membersMorocco detains scores near Ceuta as feared mass crossing fails to materialiseChina publishes ecology reports to bolster South China Sea claimsMyanmar says more than 300,000 Rohingya verified for repatriationPetrobras detects signs of oil off the mouth of the AmazonChina condemns Japanese politicians' moves at Yasukuni ShrineUS inflation cools as wages again lag behind pricesModi offers free exam coaching after youth protests in IndiaOil from grounded Russian tanker reaches Oman's coastPanama Canal cuts draught again as Mexico pitches rival corridorUkraine's idle ports cost $1.75bn as farm exports fallFormer Chinese premier Zhu Rongji diesAt least 20 killed in communal clashes in central NigeriaIran accuses Qatar of holding three of its pilotsXi calls for shift to prevention as floods batter ChinaVenezuela frees 131 more political prisonersMore Syrians in Germany lose refugee protectionAudit finds gaps in Taiwan's counter-drone defencesIndia drafts rules to open nuclear power to private firmsHichilema takes early lead as Zambian count resumesParis prosecutors open investigation into tax portal hackReport details leverage behind Situational Awareness lossesArgentina has lost 30,633 companies under MileiAt least five dead in Indiana floodingIran detains two French diplomats over alleged infiltrationCanadian petition to expel US ambassador passes 170,000 signaturesIndia raises $50bn from its diaspora and ends swap facility earlyOpaque start-ups build erotic AI industry from Cyprus and MaltaBritain's biggest EV battery plant shelves expansion as Jaguar Land Rover talks stallThird drone debris find in a day on Turkish coastsForecasters put 95 percent odds on a very strong El NiñoSecondhand booksellers suspect AI firms behind bulk ordersEtna alert lowered as Catania airport reopensFuneral held for Indigenous girl whose death sparked outback riots
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Symbolic image: OpenAI nears $500bn data-centre deal with $250bn Nvidia backstopSymbolic image

OpenAI nears $500bn data-centre deal with $250bn Nvidia backstop

4 sources

OpenAI is close to finalising a data-centre project worth roughly $500 billion, with Nvidia in talks to provide about $250 billion in financial guarantees, according to the New York Times. Neither company has confirmed the terms. The reports land as the cost of financing such projects rises and as Nvidia also stands behind a separate $50 billion data-centre lease in Texas.

What happened

The New York Times reports that OpenAI is close to landing a data centre worth about $500 billion and that Nvidia is in talks to provide a $250 billion financial backstop for it, which would rank among the largest arrangements of the AI boom. According to the same New York Times report, the guarantees would let OpenAI lease a 10-gigawatt site being built at Piketon, Ohio, by SB Energy, a SoftBank subsidiary, with the US Department of Energy also part of the arrangement. Neither OpenAI nor Nvidia has confirmed the figures or the structure, so the terms remain unconfirmed. Separately, the Financial Times reports that Nvidia stands behind a $50 billion lease on a Texas data centre that will run on its own chips, a report Reuters relayed on the same day. The Wall Street Journal, examining the terms Meta accepted on its latest financing, writes that the price of funding the data-centre build-out is rising.

What could happen next

What is new is the scale and the direction of the money: Nvidia, the supplier of the chips, is increasingly underwriting the customers and the buildings that will house them, in Ohio through guarantees and in Texas through a lease. The rising financing costs described by the Wall Street Journal set that against a market that has begun to question the spending, with Apple moving back ahead of Nvidia as the world's most valuable public company, a shift the New York Times links to investor concern over AI costs. The next markers are whether OpenAI and Nvidia confirm the arrangement and disclose its terms, and how the guarantees are recorded in Nvidia's own accounts. The role of the Department of Energy in the Ohio site remains unspecified in the reporting so far.

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