GPT-5.4
OpenAI · 2026-03-05
GPT-5.4 is OpenAI's frontier model for complex professional work, combining advanced reasoning, coding, and agentic workflows with configurable reasoning effort from none through xhigh. It is OpenAI's first general-purpose model with native computer-use capabilities, incorporates the coding capabilities of GPT-5.3-Codex, and reduces factual errors relative to GPT-5.2.