White House drafts AI policy memo as Anthropic dispute intensifies over Mythos expansion

Reviewed byNidhi Govil

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The White House is preparing a comprehensive AI policy memo for national security agencies that addresses key issues in the Pentagon-Anthropic dispute, while simultaneously blocking the company's plan to expand its powerful Mythos cybersecurity model to 120 organizations. The memo encourages using multiple AI providers and sets requirements for military AI contracts, potentially offering a path to resolve the bitter standoff.

White House AI Policy Memo Targets National Security Requirements

The White House is preparing a comprehensive AI policy memo that establishes requirements for artificial intelligence deployment across national security agencies, directly addressing tensions that have fueled the ongoing dispute between Anthropic and the Pentagon

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. The draft memo, which has been in development for months, urges government agencies to use multiple AI vendors to avoid the vulnerability of relying on a single provider, while also requiring AI companies contracting with the Department of Defense to agree not to interfere with the military's chain of command, where Donald Trump as president maintains final authority

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Source: Benzinga

Source: Benzinga

The document is designed to replace the Biden administration's national security memorandum for AI and covers an array of priorities beyond the specific Anthropic-Pentagon conflict

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. However, its language addresses concerns raised during increasingly tense contract negotiations that ultimately broke down over the issue of safeguards for military use of AI

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AI Guidelines Balance Pentagon and Anthropic Concerns

The memo includes provisions that reflect both Pentagon priorities and Anthropic's concerns about military use of AI. It would require that AI models used by the military aren't changed without government permission and remain free from ideological bias, while affirming that AI companies must strictly adhere to the chain of command

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. Critically, the document stops short of requiring companies to agree to "all lawful use" of their products, which is the specific language the Pentagon has demanded in military agreements

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Source: Bloomberg

Source: Bloomberg

For Anthropic, the memo includes requirements for defense and intelligence agencies to add contract language reinforcing constitutional protections and assuring AI vendors that their technology wouldn't be used for unauthorized surveillance

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. The document would also mandate annual updates of Pentagon regulations governing autonomous weaponry, addressing one of Dario Amodei's key concerns

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White House Blocks Mythos Model Expansion Amid Security Concerns

Even as the White House works on AI policy that could provide a path forward, the Trump administration has told Anthropic it opposes the company's plan to expand access to its Mythos model to roughly 70 additional companies, which would bring the total to 120 organizations

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. The objection centers on two concerns: cybersecurity risks from potential misuse and operational worries that Anthropic lacks sufficient computing power to serve 120 entities without degrading government agencies' ability to use the model effectively .

Source: New York Post

Source: New York Post

The Mythos model, announced through Anthropic's Project Glasswing initiative, is capable of autonomously finding and exploiting cyber vulnerabilities across critical software. In testing, Mythos Preview discovered thousands of zero-day vulnerabilities across every major operating system and web browser, succeeded on 73% of expert-level capture-the-flag cybersecurity tasks, and became the first model to complete a 32-step simulated corporate network attack end-to-end

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. The National Security Agency is among the government agencies currently using Mythos

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Anthropic has withheld the powerful Mythos from public release citing potential cybersecurity risks and shared a version with selected companies including Apple, Microsoft and Nvidia under Project Glasswing to help improve their security infrastructure

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. Concerns intensified after a small group of unauthorized users in a private online forum gained access to Mythos on the same day Anthropic announced its limited release plan

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Supply Chain Risk Designation Remains Despite Diplomatic Efforts

The Pentagon designated Anthropic an unprecedented national security supply chain risk designation in early 2026, following a breakdown in negotiations over whether the US military could use Claude for autonomous weapons and mass domestic surveillance, two uses Dario Amodei has publicly refused to permit

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. Defense Secretary Pete Hegseth outlined a six-month transition period for the Pentagon to phase out Anthropic, whose Claude Gov AI tools are used by Palantir Technologies in the Maven Smart System

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White House Chief of Staff Susie Wiles and Treasury Secretary Scott Bessent met with Anthropic CEO Dario Amodei earlier this month in what both sides described as a productive introductory meeting

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. The administration is reportedly drafting an executive order that could allow government agencies to work around the Pentagon's supply chain risk designation and onboard Anthropic's models

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However, a senior White House official stated the memo isn't designed to create an off-ramp in the Pentagon's conflict with Anthropic, emphasizing the administration aims to onboard other AI vendors as quickly as possible so that "when" Anthropic is removed from government systems, the US has necessary technology to support military operations

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. Multiple lawsuits by the company continue to play out, with a federal appeals court declining Anthropic's request to pause the Pentagon's designation, while plans for a broader government ban remain temporarily blocked by a California judge

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