Anthropics Claude models are no longer available: US State Department ditches Claude on the orders of Trump while Senate approves Gemini, ChatGPT, and CoPilot for use

Date:
Wed, 11 Mar 2026 19:20:00 +0000

Description:
US State Department has officially ditched Claude in favor of ChatGPT, while the US Senate has approved three AI chatbots for use.

FULL STORY

US government departments are honoring Trump's Anthropic ban
The State Department 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 Anthropics Claude model from use after President Donald Trump issued a directive ordering the immediate cessation of use.

Anthropic fell out of favor with the US government after recently refusing to allow Claude to be used for mass domestic surveillance and autonomous weapons systems . The Pentagon received two lawsuits from Anthropic after Defense Secretary Pete Hegseth dubbed 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 within the US Senate, with the notable absence of Claude.

State Department migrates to OpenAI - The State Department has chosen to switch from Claude Sonnet 4.5 to OpenAIs GPT-4.1 as the backbone of its internal chatbot - but the switch has caused some teething problems. An internal document obtained by Nextgov/FCW states that the switchover from Claude to
GPT means that data on the internal chatbot is only available as of May 2024.

A State Department spokesperson told Reuters , In line with the presidents direction 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 the HHS
urging employees to use ChatGPT or Google s Gemini instead. (Image credit: Shutterstock) Senate approves use of the big three AI is only just being implemented for Senate use, with the chief information officer for the Senate Sergeant-at-Arms issuing a memo approving Googles Gemini chat, OpenAIs
ChatGPT, and Microsoft Copilot for use.

Some senate platforms already have Copilot integrations, with data fed into Copilot being secured by the Senates existing secure Microsoft 365 Government environment. The memo added that Copilot can be used for drafting and editing documents, summarizing information, preparing talking points and briefing material, and conducting research and analysis.

Details on how Gemini and ChatGPT will be used are not yet available, and
there are still questions to answer over how confidential information will be handled within the Senates AI ecosystem.

The New York Times notes that a House policy adopted in September 2024
prevents sensitive information from being entered into AI chatbots, but
details on specific guidance have not been released.

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Link to news story: https://www.techradar.com/pro/anthropics-claude-models-are-no-longer-available -us-state-department-ditches-claude-on-the-orders-of-trump-while-senate-approv es-gemini-chatgpt-and-copilot-for-use

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