On March 6, 2026 (Beijing Time), OpenAI officially unveiled the GPT-5.4 large model, which boasts seamless native support for computer operations. This model can autonomously execute keyboard and mouse commands based on the content displayed on the screen, navigate complex workflows across various devices and applications, and marks a significant leap from passive response to proactive execution. GPT-5.4 deeply incorporates the coding prowess of GPT-5.3-Codex, comprehensively enhancing tool collaboration, cross-software operation, and professional office functionalities. It adeptly manages tasks such as spreadsheets, presentations, and document processing with remarkable efficiency. According to official data, GPT-5.4 substantially elevates factual accuracy, boasting a 33% reduction in error rates compared to its predecessor, GPT-5.2. It also significantly bolsters multi-source information integration and precise retrieval capabilities. Supporting a maximum context window of 1 million tokens, GPT-5.4 enables meticulous planning, execution, and full-process verification of lengthy tasks. Its tool search efficiency is further refined, allowing for more precise utilization of various tools and APIs. On the ChatGPT front, GPT-5.4 Thinking introduces a groundbreaking feature that reveals the model's thought process upfront. This empowers users to adjust their requirements in real-time during model operation, ensuring results that closely align with their expectations without the need for repetitive interactions. The release of GPT-5.4, with its seamless PC control, ultra-long context window, robust reasoning, and coding capabilities, redefines AI professional work paradigms. It accelerates the dawn of the autonomous agent era and is poised to profoundly reshape the AI application ecosystem across all domains, including office work, software development, and content creation.