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)

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 …