Anthropic reportedly denied UK AI Security Institute pre-release access to Claude 5.1
teortaxesTex · x · 2026-09-10
UK MP Liam Byrne cites reports that Anthropic did not give the AI Security Institute pre-release access to Claude Mythos 5.1, raising questions about Britain's access and leverage in AI safety oversight. He has demanded urgent answers by Tuesday. If confirmed, it signals a rift between frontier labs and government safety testers.
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