OpenAI pauses Stargate in the UK, citing the high energy costs and regulatory environment; OpenAI announced it in September 2025 alongside Nvidia and Nscale (Mark Bergen/Bloomberg)

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Mark Bergen / Bloomberg: OpenAI pauses Stargate in the UK, citing the high energy costs and regulatory environment; OpenAI announced it in September 2025 alongside Nvidia and Nscale - OpenAI said it is pausing its Stargate artificial intelligence infrastructure project in the UK, as it reins in ambitious spending plans ahead …