OpenAI released GPT-5.4, a new frontier model offered in three configurations for general, reasoning-intensive, and high‑demand workloads. The model shows benchmark gains across professional tasks, introduces native computer use, and expands the context window to a 1‑million‑token limit. A redesigned tool‑search system reduces token usage, and a new safety evaluation tests chain‑of‑thought controllability. The launch positions GPT-5.4 as OpenAI’s most capable model for professional work while highlighting ongoing competition in the AI frontier. Read more →