The US government’s restrictions on Anthropic and OpenAI’s frontier models have reignited calls in the UK for a dramatic reduction in reliance on American technology, raising the prospect of a ‘Tech-xit’. The ban, widely criticised by the cybersecurity community, forced Anthropic to indefinitely suspend access to its latest models while it tried to make sense of the government’s national security concerns. Details about an alleged jailbreaking flaw were not disclosed, and the US Department of Commerce never commented publicly on the ban.
“The US’s move to restrict Anthropic’s latest AI models should be a powerful reminder that the UK may not be able to count on even its allies for access to vital technology,” one report stated. The Trump administration also restricted access to OpenAI’s latest models to a small number of hand-picked companies, further stoking unease.
“US restrictions on AI models spur UK calls to reduce reliance on American technology”
While the UK and other nations have been calling for a reduced reliance on US technology for some time, the growing importance of AI has raised the stakes. The restrictions on frontier models have intensified the UK’s tech sovereignty push, with significant cyber implications. The move has prompted questions about whether Britain can secure the advanced AI tools it needs for national security and economic competitiveness without greater domestic capability.
The debate comes as the UK government faces mounting pressure to accelerate its own AI development and secure partnerships with allied nations that are not subject to US export controls. The prospect of a ‘Tech-xit’ – a wholesale shift away from US tech dependency – now appears more tangible, though what form such a break would take remains unclear. For now, the immediate consequence is a growing urgency in Westminster to chart an independent technological course.