FirstFT: Anthropic withheld AI model from UK testers
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11 Articles
Anthropic refused to submit its latest AI model to the UK AI Security Institute for pre-launch testing, which generated fears within the UK government that technology companies are aligning with Donald Trump's artificial intelligence protectionism. Read more (09/09/2026
Anthropic did not allow the British AI security institute to evaluate Claude Mythos 5.1 prior to its launch, a decision London examines as the fear that the United States will restrict foreign access to its most advanced models grows.
UK fears Trump influence as Anthropic withholds latest model from safety agency
UK officials have started to question how much influence US President Donald Trump had in Anthropic not opening its newest Claude Mythos 5.1 model to Britain’s AI safety testing agency, the AI Security Institute (AISI), before it released it to the public. A Cabinet Office spokesperson did not go so far as to confirm whether...
AI Security Institute bypassed by Anthropic model - National Cyber Security Consulting
Anthropic did not submit its most powerful artificial intelligence model to the UK government’s AI Security Institute for testing before releasing it last week, the first time the company has bypassed the British body. Claude Mythos 5.1 was made available only to US vetting organisations. The model, designed specifically for cybersecurity and life sciences, is […] Thank you for subscribing to our RSS feed!
With a decision that will drag behind some controversy, Anthropic denies the AI Security Institute (Aisi) the possibility to test its latest model Claude Mythos 5.1. Dario Amodei's company prefers to entrust it only to some selected US organizations, a move that arouses the concern of the London government. The impression is that Anthropic is changing approach, [...]
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