One Hundred Percent on ExploitBench: Inside the First AI Model Rated Critical for Cyber - September 4, 2026

One Hundred Percent on ExploitBench: Inside the First AI Model Rated Critical for Cyber - September 4, 2026 On September 2, 2026, OpenAI disclosed Astra, the first model it has ever classified as Critical for cybersecurity capability under its Preparedness Framework, after the model scored a perfect 100 percent on ExploitBench and independently surfaced two zero day vulnerabilities in testing. Chris and Laura unpack what that classification actually means, why the strongest capability is bei...