OpenAI releases GPT-6 Astra, first model to hit its 'Critical' cyber threshold

HZoete · x · 2026-09-05

OpenAI released GPT-6 Astra last night, reportedly the first model to meet its internal 'Critical' cyber capability threshold. The UK AI Security Institute independently tested the model, including its monitorability, framing this as evidence-gathering for government oversight of powerful AI systems.

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