OpenAI has signed a $38bn £29bn deal to use Amazon infrastructure to operate its artificial intelligence products, as part of a more than $1tn spending spree on computing power. The agreement with Amazon Web Services means OpenAI will be able to use AWS datacentres, and the Nvidia chips inside them, immediately. Last week, OpenAIs chief executive, Sam Altman, said his company had committed to spending $1.4tn on AI infrastructure, amid concerns over the sustainability of the boom in using and