GPT-5

1 article tagged with GPT-5

April 14, 2026
model releaseOpenAI

OpenAI releases GPT-5.4-Cyber with tiered access verification system for cybersecurity work

OpenAI released GPT-5.4-Cyber, a model variant designed for defensive cybersecurity tasks with fewer restrictions on dual-use queries. Access is controlled through a tiered verification system in the Trusted Access for Cyber program, targeting thousands of vetted users compared to Anthropic's 40-organization Mythos Preview rollout.