The world of Artificial Intelligence is rapidly evolving, and with it, the art of communicating effectively with these powerful tools. While the models themselves grow more sophisticated, the key to unlocking their true potential often lies in the simple act of asking the right questions – Prompting. This process, known as prompt engineering, has emerged as a critical skill for anyone looking to leverage AI for creativity, productivity, or problem-solving. Recently, a fascinating glimpse behind the curtain has surfaced, revealing the very guidelines OpenAI uses internally to generate prompts within its Playground environment.
This “leaked” system message offers an unprecedented opportunity to understand what the creators of cutting-edge language models believe is most important for effective AI communication. By deconstructing these guidelines, we can learn to craft better prompts, achieve more accurate and relevant outputs, and ultimately, harness the full capabilities of AI tools like ChatGPT and beyond. This isn’t just about writing better instructions; it’s about understanding the fundamental principles of how these models operate and how we can best interact with them.
Table of contents
- The Big Reveal: What is OpenAI’s System Message and Why Should You Care?
- Here’s the actual prompt revealed by OpenAI:
- Deconstructing the Guidelines: A Deep Dive into OpenAI’s Prompt Engineering Principles
- Let’s break down the key takeaways from this internal guideline:
- Key Takeaways from OpenAI’s System Message: Practical Tips for Better Prompting
- Applying OpenAI’s System Message to Your Own Prompt Engineering Workflow
- Conclusion:

The Big Reveal: What is OpenAI’s System Message and Why Should You Care?
When we interact with a large language model like ChatGPT, we’re typically engaging with a conversational interface. However, behind the scenes, these models often operate with the assistance of a “system message.” This system message acts as a set of instructions or guidelines provided to the AI before your actual prompt. It shapes the AI’s behavior, sets the context for the conversation, and influences the kind of responses you’ll receive. Think of it as whispering instructions in the AI’s ear before letting it loose on your request. OpenAI, the company behind models like GPT-3 and GPT-4, utilizes these system messages extensively.
The recent revelation of the system message used within OpenAI’s own Playground environment is particularly noteworthy. While OpenAI provides general guidance on prompt writing, this internal document offers a much more specific and detailed look at their own best practices. It’s a rare peek into the minds of the creators, revealing what they prioritize when constructing effective prompts.
This isn’t just theoretical advice; it’s a reflection of their practical experience and understanding of how their models function optimally. For anyone serious about mastering AI prompting, this information is invaluable. It allows us to move beyond guesswork and adopt strategies that are directly aligned with the principles that OpenAI themselves considers crucial. Understanding this system message empowers us to communicate with AI on a deeper level, leading to more predictable, reliable, and high-quality results.

Here’s the actual prompt revealed by OpenAI:
Given a task description or existing prompt, produce a detailed system prompt to guide a language model in completing the task effectively.
Guidelines
Understand the Task: Grasp the main objective, goals, requirements, constraints, and expected output.
Minimal Changes: If an existing prompt is provided, improve it only if it's simple. For complex prompts, enhance clarity and add missing elements without altering the original structure.
Reasoning Before Conclusions**: Encourage reasoning steps before any conclusions are reached. ATTENTION! If the user provides examples where the reasoning happens afterward, REVERSE the order! NEVER START EXAMPLES WITH CONCLUSIONS!
Reasoning Order: Call out reasoning portions of the prompt and conclusion parts (specific fields by name). For each, determine the ORDER in which this is done, and whether it needs to be reversed.
Conclusion, classifications, or results should ALWAYS appear last.
Examples: Include high-quality examples if helpful, using placeholders [in brackets] for complex elements.
What kinds of examples may need to be included, how many, and whether they are complex enough to benefit from placeholders.
Clarity and Conciseness: Use clear, specific language. Avoid unnecessary instructions or bland statements.
Formatting: Use markdown features for readability. DO NOT USE ``` CODE BLOCKS UNLESS SPECIFICALLY REQUESTED.
Preserve User Content: If the input task or prompt includes extensive guidelines or examples, preserve them entirely, or as closely as possible. If they are vague, consider breaking down into sub-steps. Keep any details, guidelines, examples, variables, or placeholders provided by the user.
Constants: DO include constants in the prompt, as they are not susceptible to prompt injection. Such as guides, rubrics, and examples.
Output Format: Explicitly the most appropriate output format, in detail. This should include length and syntax (e.g. short sentence, paragraph, JSON, etc.)
For tasks outputting well-defined or structured data (classification, JSON, etc.) bias toward outputting a JSON.
JSON should never be wrapped in code blocks (```) unless explicitly requested.
The final prompt you output should adhere to the following structure below. Do not include any additional commentary, only output the completed system prompt. SPECIFICALLY, do not include any additional messages at the start or end of the prompt. (e.g. no "---")
[Concise instruction describing the task - this should be the first line in the prompt, no section header]
[Additional details as needed.]
[Optional sections with headings or bullet points for detailed steps.]
Steps [optional]
[optional: a detailed breakdown of the steps necessary to accomplish the task]
Output Format
[Specifically call out how the output should be formatted, be it response length, structure e.g. JSON, markdown, etc]
Examples [optional]
[Optional: 1-3 well-defined examples with placeholders if necessary. Clearly mark where examples start and end, and what the input and output are. User placeholders as necessary.] [If the examples are shorter than what a realistic example is expected to be, make a reference with () explaining how real examples should be longer / shorter / different. AND USE PLACEHOLDERS! ]
Notes [optional]
[optional: edge cases, details, and an area to call or repeat out specific important considerations]
Deconstructing the Guidelines: A Deep Dive into OpenAI’s Prompt Engineering Principles
This peek into OpenAI’s internal workings provides a unique perspective on two key aspects:
- OpenAI’s Core Principles for Prompt Engineering: The guidelines within the prompt act as a distilled set of best practices, showcasing what OpenAI prioritizes for effective communication with its language models.
- The “Ideal” Way to Converse with ChatGPT: The prompt subtly hints at how OpenAI believes users should structure their requests to elicit optimal responses. And yes, it even suggests a surprising role for capitalization!
Let’s dive into the details of this fascinating system prompt and dissect what it tells us about mastering the art of prompt engineering.
Let’s break down the key takeaways from this internal guideline:
1. Understanding is Paramount:
The very first guideline emphasizes the importance of grasping the task’s core objective, goals, and constraints. This underscores that effective prompting starts with a clear understanding of what you want to achieve.
2. Clarity and Conciseness Reign Supreme:
OpenAI stresses the use of clear and specific language, advising against unnecessary instructions or bland statements. This aligns with the principle of writing for humans first – concise and direct communication is easier for both humans and AI to process.
3. The Power of Reasoning (and the Bold Use of Caps!):
The guideline “Reasoning Before Conclusions” with the emphatic “ATTENTION!” and the capitalization of key phrases (“REVERSE,” “NEVER START EXAMPLES WITH CONCLUSIONS!”) is particularly striking. It suggests that explicitly guiding the model to think through steps before arriving at a conclusion is crucial for more accurate and insightful outputs. The use of capitalization here, while perhaps not something we’d typically recommend in regular writing, hints at the directness OpenAI believes can be effective in communicating with AI.
4. Examples as Guides:
The prompt highlights the value of including high-quality examples to illustrate the desired outcome. The instruction to use placeholders for complex elements demonstrates a nuanced understanding of how to provide effective yet flexible examples.
5. Formatting for Readability:
The instruction to use markdown (while specifically forbidding code blocks unless requested) reinforces the importance of structuring prompts for better readability. This is beneficial both for the AI to parse the instructions and for humans reviewing the prompts.
6. Respecting User Input:
The guideline to “Preserve User Content” highlights the importance of maintaining the integrity of existing prompts or guidelines provided by the user. This suggests a focus on building upon existing frameworks rather than completely overhauling them.
7. Output Format Specification is Key:
OpenAI emphasizes explicitly defining the desired output format, including length and syntax. The preference for JSON for structured data output showcases a practical approach to data handling.
Key Takeaways from OpenAI’s System Message: Practical Tips for Better Prompting
This revealed system prompt offers valuable lessons for anyone looking to improve their interactions with large language models like ChatGPT:
- Be Explicit About Your Desired Reasoning Process: Don’t just ask for the answer; guide the AI through the steps you want it to take to arrive at that answer.
- Don’t Shy Away from Examples: Illustrate your expectations with clear, well-defined examples, using placeholders for flexibility.
- Structure Your Prompts Logically: Utilize headings, bullet points, and markdown to enhance readability and guide the AI’s processing.
- Clearly Define Your Output Requirements: Specify the desired format, length, and structure of the response.
- Consider the Power of Emphasis (Perhaps Even Caps!): While not always necessary, the OpenAI prompt suggests that using capitalization for key instructions might improve clarity for the AI.
Applying OpenAI’s System Message to Your Own Prompt Engineering Workflow
Now that we’ve dissected OpenAI’s system message and its prompting techniques, how can you apply these insights to your own prompt engineering workflow? Start by reviewing your existing prompts. Do they clearly define the task? Do they encourage reasoning before conclusions? Are your examples well-structured and relevant? Identify areas where you can incorporate the principles outlined in the system message.
When creating new prompts, use the recommended structure as a template. Begin with a concise instruction, add necessary details, and consider including examples. Experiment with different output formats and observe how the AI responds. Pay close attention to the “Reasoning Before Conclusions” guideline and actively prompt the AI to explain its steps. Utilize markdown formatting to enhance readability. Remember that effective AI prompting is an iterative process. Don’t be afraid to experiment, analyze the results, and refine your prompts based on your observations. Tools like the OpenAI Playground itself can be invaluable for testing different prompting strategies and observing their impact.
Conclusion:
OpenAI’s decision to share its internal system prompt for Playground offers a unique and invaluable perspective on effective prompt engineering. By understanding and applying these guidelines, you can significantly enhance your ability to communicate with AI models like ChatGPT and unlock their full potential. It’s a reminder that crafting effective prompts is a skill that continues to evolve, and learning from the creators themselves is a powerful way to stay ahead of the curve in the exciting world of AI and content creation.
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