GPT-6 Astra Scores 100% on ExploitBench as OpenAI Blocks PoC Exploit Requests

GPT-6 Astra Scores 100% on ExploitBench as OpenAI Blocks PoC Exploit Requests Ravie LakshmananSep 04, 2026Artificial Intelligence / Vulnerability OpenAI on Thursday officially unveiled GPT‑6 Astra, which it described as the "world's most intelligent and aligned model." The development comes days after the artificial intelligence (AI) company said the model had reached the "Critical" cybersecurity capability threshold under its Preparedness Framework. "Astra is state-of-the-art on computer use, browsing, software engineering, cybersecurity, science, and professional work. Astra saturates FrontierMath Tier 4 with a 98% score," OpenAI said. "Astra also saturates ARC-AGI-3 with a 99.9% score and ExploitBench with a 100% score. It also sets a new frontier on computer and browser use, handling the most demanding professional work with unmatched speed,…