Stargate, the $500 billion U.S. data center project led by OpenAI and SoftBank, is considering future investments in the U.K. as the company looks abroad to build the global infrastructure needed to support powerful artificial intelligence models. Britain has become one of the top choices for the project amid a recent push by Prime Minister Starmer’s government to increase investment in the artificial intelligence industry, including a plan to boost energy access for AI developers, three people familiar with the matter said.