[OpenAI Releases GPT-5.6 Prompting Guide: Reducing Over-Prompting to Enable Autonomous Planning] According to Decrypt, OpenAI has released a new prompting guide for the GPT-5.6 model, with the core recommendation being to reduce over-prompting. The new guide advises users to set clear goals and stopping conditions, then allow the model to complete tasks autonomously, rather than relying on lengthy XML code blocks and persistent scripts for fine-grained control. OpenAI stated in the guide that GPT-5.6 has significantly improved in understanding intent and autonomous planning, and excessive instructions may actually limit the model's performance. This guide contrasts with the previously popular industry notion of "the more detailed, the better" in prompt engineering. GPT-5.6 is OpenAI's latest large language model, and the guide is applicable to ChatGPT Plus and API users.