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In a move that's rattling the AI industry, the US government has ordered Anthropic to immediately cut off all access to its most powerful models, Claude Fable Five and Mythos Five, citing national security concerns. The block applies globally — meaning even Anthropic's own employees cannot use them. The directive is unprecedented in scope, and enterprises relying on those models are now scrambling for alternatives.
That story lands alongside a broader question Anthropic is wrestling with on another front. A new piece on LessWrong argues the company is taking AI welfare seriously — but may not actually know what it's measuring. The author credits Anthropic for engaging with the question of whether AI systems might have something like inner experience, while questioning whether the metrics being used have any real scientific grounding. It's a philosophical puzzle with genuine stakes.
And in the UK, the National Health Service is deploying Microsoft's Copilot AI assistant to over five hundred thousand staff members, following a pilot with thirty thousand workers. Microsoft promises the tools will reduce costs and free up time for patient care. Whether a system this large can deliver on that promise — or simply adds another layer of complexity to an already strained institution — remains to be seen.
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