Summarize ChatGPT 5.1 is not simply a warmer or more expressive model; it is OpenAI’s most capable release for structured work, precise instruction-following, and agent-driven tasks. It interprets directions with far greater accuracy, applies deeper reasoning when required, and behaves less like a conversational assistant and more like a reliable digital collaborator. With this shift, effective use depends on clear specifications, well-defined modes, and thoughtfully designed workflows rather...