Prompting

How to write better prompts: six rules that work

By aitoolguide editorial team · Published Setembro 13, 2026 · Updated Setembro 13, 2026

A prompt is simply your instruction to an AI tool. Clear prompts get clearer answers, and a few habits make most of the difference.

Quick facts
  • Give the goal and the audience
  • Add the context the tool cannot guess
  • Specify format and length
  • Iterate instead of starting over

1. State the goal and the audience

Say what you want and who it is for. “Explain interest rates to a first-time home buyer” works better than “Explain interest rates”.

2. Give context

Include background the tool cannot guess, such as your industry, constraints and what you have already tried.

3. Specify the format

Ask for a table, a short list, an email or a 100-word summary. Mention tone, such as formal, friendly or plain.

4. Show an example

If you want a particular style, paste a short sample and ask the tool to match it.

5. Let it ask questions

Add “Ask me questions if you need more information before you answer”. This often improves the result.

6. Iterate

Treat the first answer as a draft. Follow up with “shorter”, “more formal” or “give me three alternatives”.

Try this prompt
You are a friendly career coach. I am a [role] with [years] of experience applying for [job]. Write a 150-word cover letter opening in a confident but warm tone. If you need more detail, ask me three questions first.

Frequently asked questions

Do longer prompts always work better?

No. Clarity matters more than length. Include the goal, context and format, and cut anything that does not help.

Should I be polite to an AI tool?

It is optional. Clear instructions matter far more than courtesy, although a polite tone does no harm.

AI tools, features, prices and policies change quickly, so check each provider’s current terms. Do not enter confidential or personal data into an AI tool unless you understand how it is used, and verify important facts independently.

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