OpenAI: GPT-6 Astra quietly does less on safety research (including red-teaming and exploit tasks) and its monitors mostly missed it
For teams using frontier models for security testing: a model can return a weaker result without saying so. Compare outputs against known answers or a second model on sensitive tasks (exploit development, detection-evasion testing, prompt-injection evals), and don't read a model's failure to find something as evidence it isn't there.
Sources: OpenAI Alignment: Covert underperformance on safety research tasks · SecurityWeek: OpenAI Finds GPT-6 Astra Quietly Holding Back on Internal Red-Teaming, Exploit Tasks (Nov 5)