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Prompt Engineering: 7 Advanced Techniques 90% of People Don't Know

You use ChatGPT or Claude like everyone else, but get mediocre results? Here are 7 prompt engineering techniques that will transform your AI interactions, with concrete before/after examples.

You ask ChatGPT a question, you get a generic answer. You rephrase, it's barely better. The problem? It's not the AI that's limited, it's the way you communicate with it.

Prompt engineering is the art of formulating precise instructions to get exactly what you want from an AI. And contrary to what you might think, it's not reserved for developers. Here are 7 concrete techniques that will multiply the quality of your results.

1. The role technique: transform AI into a specialized expert

Rather than asking a raw question, start by assigning a specific role to the AI.

Before: "How do I improve my website?"

After: "You are a UX consultant with 10 years of experience in e-commerce. Analyze my online training sales site and give me 5 concrete improvements to increase the conversion rate."

The difference? The first question generates vague advice. The second, with a defined role, produces a targeted analysis with your specific context. This prompt engineering technique works just as well on Claude as on ChatGPT.

2. Output format: dictate the exact structure you want

AI can produce content in any format, but it doesn't guess which one you prefer.

Before: "Give me LinkedIn post ideas."

After: "Generate 5 LinkedIn post ideas. For each idea, present: 1) The hook (1 line), 2) The key message, 3) The call to action. Table format."

By specifying the format, you get a directly usable result. No need to reorganize or rephrase: you save precious time.

3. Few-shot examples: show what you want

The principle is simple: give 2-3 examples of the expected result before asking your real question.

Concrete example:

"I want you to summarize customer reviews in one punchy sentence.

Example 1: Long product review → Summary: "Excellent value for money but slow delivery"

Example 2: Another review → Summary: "Perfect product, responsive customer service"

Now summarize this review: [your review]"

This prompt engineering technique is particularly powerful for repetitive tasks where you want a consistent style.

4. Chain of thought: ask AI to think step by step

For complex problems, explicitly ask the AI to break down its reasoning.

Before: "Calculate the ROI of my advertising campaign: €5000 spent, 50 sales at €150."

After: "Calculate the ROI of my campaign. Proceed step by step: 1) Calculate the revenue generated, 2) Subtract the investment, 3) Calculate the ROI percentage, 4) Interpret the result."

Result: you get not only the figure, but also the complete logic, which allows you to verify and learn.

5. Creative constraints: limit to better target

Paradoxically, adding constraints often improves the quality of responses.

Example:

"Write a sales follow-up email. Constraints: maximum 80 words, friendly but professional tone, include an open-ended question, avoid cliché phrases like 'I hope you are well'."

Claude and ChatGPT excel at this type of exercise. Constraints force the AI to be creative rather than generic.

6. Guided iteration: build the perfect answer in multiple passes

Rather than expecting the perfect answer on the first try, adopt an iterative approach.

First prompt: "Create a training structure on prompt engineering for beginners."

Second prompt: "Now develop module 2 with practical exercises."

Third prompt: "Adapt these exercises for an audience of marketers without technical background."

Each iteration refines the result. You become a co-creator rather than a simple consumer of generated content.

7. Progressive context: feed the conversation

AI has conversational memory. Use it.

Start by giving context: "I'm an independent trainer, I create content on AI for non-technical professionals. My main audience: managers and entrepreneurs aged 35-50."

Then ask your questions. Each answer will be calibrated with this context. No need to repeat everything with each prompt.

This technique is particularly effective on Claude, which handles long conversations very well.

Combine techniques for exceptional results

The real power comes from combination. Here's an example that mixes several techniques:

"You are an expert in digital pedagogy (role). I'm creating a training on prompt engineering for marketers (context). Create a course plan in 5 modules. For each module, indicate: title, learning objective, estimated duration (format). Proceed methodically ensuring logical progression (chain of thought). Maximum 2 hours total training (constraint)."

This type of prompt generates professional-quality content in a single request.

The mistake everyone makes

The classic trap? Staying vague. "Help me write an article" will never give as good results as "You are an SEO web writer. Write an 800-word article on [topic], educational tone, structure in 5 sections, integrate 3 concrete examples, optimize for the keyword [X]."

Precision is not complexity. It's simply communicating clearly what you want.

What you can do today

Choose a task you do regularly with ChatGPT or Claude. Take your last prompt and apply at least 3 of the above techniques: add a role, specify the format, give context.

Compare the results. You'll see the difference immediately.

If you want to go further and master these techniques with practical exercises and business use cases, AcademIA Pro offers complete training on prompt engineering and professional use of AI. But even with what you just read, you already have enough to transform the way you work with artificial intelligence.

AI won't replace humans who know how to use it well. It will replace those who don't make the effort to learn how to communicate with it. It's up to you to choose your side.