OpenAI ships GPT-6 Astra, its first model rated Critical for cyber capability
GPT-6 Astra saturates FrontierMath Tier 4 at 97.6% and ExploitBench at 100%, and is the first model OpenAI rates Critical for cyber capability under its Preparedness Framework.
Finding unknown flaws and building working exploits without step-by-step human direction is a real autonomy jump. Held to -30 because the independent Artificial Analysis index first scored Astra level with its own predecessor.
