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OpenAI begins rollout of GPT-6 Astra, its first \'critical\' security-rated model

OpenAI has begun a phased rollout of its latest AI model, GPT-6 Astra, starting with some companies in its application-based cybersecurity programme, Daybreak. Astra is the first model to reach a \'critical\' level under OpenAI’s internal cybersecurity standards, and access to its advanced security functions will be restricted. The rollout comes after recent security incidents that prompted OpenAI to strengthen safety controls and apply additional safeguards to Astra.