GPT-5.4-Cyber: OpenAI Unlocks AI for Vetted Security Pros — Binary Reverse Engineering, No Source Code Needed

OpenAI launched GPT-5.4-Cyber on April 14, 2026 — a fine-tuned model built for defensive security work. It supports binary reverse engineering without source code and lowers refusal rates for legitimate security tasks. Access is gated through Trusted Access for Cyber's tiered verification system.

GPT-5.2 Spent 12 Hours Thinking and Derived a New Physics Formula — Something Physicists Missed for 40 Years

GPT-5.2 derived a new physics formula that textbooks said was zero for decades. It simplified superexponentially complex gluon equations, spotted a pattern, and proposed a general formula — then proved it in a 12-hour reasoning session. Co-authored with Harvard, Cambridge, and IAS.