OpenAI releases GPT-5.4-Cyber, a fine-tuned variant for defensive cybersecurity work
OpenAI has released GPT-5.4-Cyber, a variant of GPT-5.4 fine-tuned specifically for defensive cybersecurity use cases. The release accompanies the company's Trusted Access for Cyber program, which allows users to verify their identity via government ID to gain access to cybersecurity-focused tools.