UK’s voluntary model for AI safety testing faces global reality check
By Patricia Figueiredo ( September 11, 2026, 15:44 GMT | Comment) -- The limitations of the UK’s reliance on voluntary arrangements for testing the safety of frontier AI tools were exposed this week, after reports that Anthropic did not grant the AI Security Institute access to its latest model. Ministers said the AISI is continuing to collaborate with Anthropic, but experts have criticized what they call an overreliance on the institute for the UK's broader AI strategy. To tackle the limitations exposed this week, lawmakers have called for stronger powers and a statutory footing for the AISI, while diplomats stressed the need for closer collaboration with the EU on AI safety.The limits of the UK's leadership on AI safety were tested this week by reports that Anthropic did not allow the UK's AI Security Institute to have access to its latest model — Claude Mythos 5.1 — for pre-release testing....
Prepare for tomorrow’s regulatory change, today
MLex identifies risk to business wherever it emerges, with specialist reporters across the globe providing exclusive news and deep-dive analysis on the proposals, probes, enforcement actions and rulings that matter to your organization and clients, now and in the longer term.
Know what others in the room don’t, with features including:
- Daily newsletters for Antitrust, M&A, Trade, Data Privacy & Security, Technology, AI and more
- Custom alerts on specific filters including geographies, industries, topics and companies to suit your practice needs
- Predictive analysis from expert journalists across North America, the UK and Europe, Latin America and Asia-Pacific
- Curated case files bringing together news, analysis and source documents in a single timeline
Experience MLex today with a 14-day free trial.