AI Articles & Guides

OpenAI Pauses Astra Model — "Cannot Rule Out Critical Cyber Capabilities," Zero-Day Exploit Risk

OpenAI announced on August 7, 2026 that it has paused internal development activities for its upcoming Astra model after internal evaluations found it may have reached the "Critical" cybersecurity threshold under the company's Preparedness Framework. The Critical threshold means a model can independently identify and develop zero-day exploits against hardened real-world systems, or execute end-to-end cyberattack strategies without human intervention. OpenAI said it "cannot rule out critical cyber capabilities" in Astra. The company is moving Astra into isolated testing environments, implementing universal monitoring, restricting network access, and partnering with government agencies and independent AI safety organisations to evaluate it before any public release. Astra was not involved in the Hugging Face hack.