US asks Anthropic to block global access to top AI models: Why it matters | Technology News

US National Security Ban: The administration of President Donald Trump has prohibited foreigners from accessing Anthropic’s top AI models—Fable 5 and Mythos 5—citing national security concerns, aligning with the US government’s export control policies over advanced technology.
Company’s Response: Anthropic, which developed the chatbot named Claude, expressed disagreement with this approach but has complied by blocking all foreign, including those employed domestically, from using its new AI models.
Tensions Between Anthropic and Trump Administration: This move reignites the existing conflict between the AI company and the Trump administration, which Anthropic is suing for including it on a supply chain blacklist for refusing to allow its AI models to be used for military purposes.
Impact on Global Research and Productivity: The new measures are part of a broader export control strategy of the Trump administration, affecting global research collaborations with US firms and leading to potential disruptions for international firms relying on Anthropic’s AI technology and foreign workers in the US.
Specific Models Affected: Anthropic’s recently released Fable 5, based on Mythos technology, is particularly scrutinized due to concerns about its potential for enhancing sophisticated cyberattacks, highlighting specific worries about these AI models.

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