GPT-5.4 Pro is OpenAI's most advanced model built for complex, high-stakes professional work. It extends GPT-5.4's unified architecture with enhanced reasoning capabilities optimized for step-by-step problem solving and instruction following. The model inherits the industry-leading coding abilities from GPT-5.3-Codex and adds native computer-use capabilities, making it the first general-purpose model released with state-of-the-art ability to operate computers and execute workflows across applications. It handles spreadsheets, presentations, documents, and specialized software environments with improved accuracy and efficiency, reducing the back-and-forth needed to get complex real work done.

The Pro tier targets demanding agentic workflows and deep-horizon reasoning tasks where accuracy is critical. Its multi-step problem solving and long-context handling make it well-suited for research-intensive, coding-heavy, and enterprise scenarios. The model maintains context better for queries requiring extended thinking and improves deep web research for highly specific questions. By combining reasoning, coding, and agentic capabilities in a single frontier model, GPT-5.4 Pro delivers what professionals need for complex tasks without additional turns or interventions.