windowsreport.com
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Aug 5
US Reportedly Excludes Open-Weight AI Models From Cyber Tests
The Trump administration has reportedly decided to exclude open-weight AI models from a new voluntary US government program designed to test advanced systems for sophisticated cyber operations. This decision was communicated to representatives from Meta, Google, Nvidia, OpenAI, and Anthropic during an August 4 White House meeting. The federal framework, established following a June 2 executive order, aims to create classified benchmarks to determine if frontier models can perform complex cyber operations threatening government systems or critical infrastructure. Testing will focus on proprietary models like Anthropic’s Mythos and Fable, and OpenAI’s GPT-5.6 Sol. Open-weight models, which allow developers to download, inspect, and modify underlying weights, are exempt. Critics argue this creates a security gap, as these models can spread rapidly and have safeguards removed. The White House has not clarified if the exclusion applies to all open-weight releases or only those below a specific capability threshold. Additionally, officials have not identified the operating federal agency, disclosed evaluation result publication plans, or defined consequences for models demonstrating dangerous capabilities. The voluntary nature of the program raises questions about developer compliance and future testing frameworks for open-weight systems.
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By exempting open-weight models, the government ignores the very systems most easily modified by malicious actors to bypass safety controls. This oversight leaves a critical blind spot in national cybersecurity defenses against rapidly proliferating, unregulated AI tools.