GPT-6 Astra System Card
Today, we are releasing GPT-6 Astra, the most capable model we have ever broadly deployed. Astra is our first model to reach the Critical level of cybersecurity capability under our Preparedness Framework.

TL;DR
- GPT-6 Astra is the most capable model released.
- It is the first model to reach 'Critical' cybersecurity capability.
- This capability is assessed under the Preparedness Framework.