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Safety overview: GPT-6 Astra.

OpenAI NewsCompany announcement·
AI brief

OpenAI says GPT-6 Astra is its most capable broadly deployed model and the first to reach the Critical level of cybersecurity capability under its Preparedness Framework.

Why it matters: It is the first OpenAI model to be rated at the Critical cybersecurity capability level, a designation defined by OpenAI's own Preparedness Framework.

Written by AI from OpenAI News's published text.

Background

From our own funding, model and news trackers, not from the source.

Source

“GPT-6 Astra is our most capable broadly deployed model and our first to reach the Critical level of cybersecurity capability under our Preparedness Framework.”
OpenAI News, 03 Sept 2026, 00:00.

Published by the organisation it describes; treat claims as first-party statements.

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