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Microsoft acquires twice as many Nvidia AI chips as tech rivals

OpenAI’s biggest backer buys nearly half a million GPUs this year in race to build artificial intelligence systems

Microsoft’s Azure cloud infrastructure was used to train OpenAI’s latest o1 model, as they race against a resurgent Google, start-ups such as Anthropic and Elon Musk’s xAI, and rivals in China for dominance of the next generation of computing. However, the stock’s extraordinary surge has waned in recent months amid concerns about slower growth, competition from Big Tech companies’ own custom AI chips and potential disruption to its business in China from Donald Trump’s incoming administration in the US. Microsoft, which has invested $13bn in OpenAI, has been the most aggressive of the US Big Tech companies in building out data centre infrastructure, both to run its own AI services such as its Copilot assistant and to rent out to customers through its Azure division.

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