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GPT-6 Cyber news

Cybersecurity model1 story

GPT-6 Cyber is an OpenAI model for authorized vulnerability research, released on 5 November 2026 to approved customers in the Daybreak Red tier.

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OpenAI launches GPT-6 Cyber for vetted Daybreak Red teams, rated Critical for cyber capability

Cybersecurity

OpenAI released GPT-6 Cyber on 5 November 2026 to approved Daybreak Red customers. It says the model found 81 high-severity Firefox flaws and rates it Critical.

Summary

OpenAI released GPT-6 Cyber on 5 November 2026, a model for authorized vulnerability research that it trained to stay inside an agreed scope. Access starts with a select group of approved Daybreak Red customers through the API and Codex and widens to all Red customers over the coming weeks. OpenAI says the model found 81 previously unknown high-severity Firefox flaws, and it rates the model Critical under its Preparedness Framework.