- US government departments respect Trump’s anthropic ban
- The Ministry of Foreign Affairs has switched from Claude to ChatGPT
- Gemini, ChatGPT and Copilot have all been approved for use in the US Senate
The US State Department has dropped Anthropic’s Claude model after President Donald Trump issued a directive ordering an immediate end to its use.
Anthropic fell out of favor with the US government after recently refusing to allow Claude to be used for domestic mass surveillance and autonomous weapons systems. The Pentagon received two lawsuits from Anthropic after Defense Secretary Pete Hegseth called the AI company a “supply chain risk” and terminated the $200 million contract.
Elsewhere in government, three AI models – Gemini, ChatGPT and Copilot – have been approved for use in the US Senate, with the notable absence of Claude.
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The Ministry of Foreign Affairs is migrating to OpenAI
The Ministry of Foreign Affairs has chosen to switch from Claude Sonnet 4.5 to OpenAI’s GPT-4.1 as the backbone of its internal chatbot – but the switch has caused some problems for children. An internal document obtained by Nextgov/FCW states that the switch from Claude to GPT means that data on the internal chatbot will only be available from May 2024.
A spokesman for the Ministry of Foreign Affairs said so Pakinomist“In accordance with the President’s directive to cancel anthropic contracts, we are taking immediate steps to implement the directive and bring our programs into full compliance.”
The US Department of Treasury and the US Department of Health & Human Services (HHS) are also dropping Claude from official use, with HHS encouraging employees to use ChatGPT or Google’s Gemini instead.
The Senate approves the use of the Big Three
AI has only just been implemented for use in the Senate, where the Chief Information Officer of the Senate Sergeant-at-Arms has issued a memo approving Google’s Gemini chat, OpenAI’s ChatGPT and Microsoft Copilot for use.
Some Senate platforms already have Copilot integrations, where data entered into Copilot is secured by the Senate’s existing secure Microsoft 365 Government environment. The memo added that Copilot can be used to “draft and edit documents, summarize information, prepare talking points and briefing materials, and conduct research and analysis.”
Details of how Gemini and ChatGPT will be used are not yet available, and there are still questions to be answered about how confidential information will be handled in the Senate’s AI ecosystem.
The New York Times notes that a House policy passed in September 2024 prevents sensitive information from being entered into AI chatbots, but details of specific guidance have not been released.

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