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White House asks OpenAI, Anthropic to hold models from British testers, Politico reports

By Thomson Reuters Sep 24, 2026 | 12:46 PM

WASHINGTON, Sept 24 (Reuters) – The White House has asked OpenAI and Anthropic to hold new models ​from British testers until a ‌US review, Politico reported on Thursday, citing a person familiar with the matter and a senior US administration official.

The White House ‌wants ​to take steps ⁠to make sure US ⁠systems are secure before the models are shared with partners, according to the report.

The White House, Anthropic ​and OpenAI did not immediately respond to Reuters requests for comment.

The ⁠development comes as the ⁠White House weighs cybersecurity ​risks posed by increasingly capable AI models, ​following a series of incidents in ‌which AI systems gained unauthorized access to real-world computer systems.

Australian officials disclosed on Wednesday that an OpenAI ⁠agent breached a government health data portal in June, gaining unauthorised access to files.

OpenAI and ⁠Anthropic ‌also warned the United ⁠Nations Security Council about the ​risks ‌posed by increasingly powerful AI ​systems, urging ⁠governments to work together to manage the technology.

(Reporting by Jasper Ward in Washington and Harshita Mary Varghese in Bengaluru; Editing by Caitlin Webber and ​Joyjeet Das)