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ChatGPT · Guide

How to Make ChatGPT Concise, Clear, and Less Chatty

Does ChatGPT answer your question, then give you a history lesson, a TED Talk, and three examples you never asked for?

You can fix that with Custom Instructions.

Set it up

  1. Click your profile icon.
  2. Open Settings.
  3. Select Personalization.
  4. Open Custom Instructions.
  5. Turn on Enable customization.
  6. Paste the instructions below.
  7. Click Save.

That’s it. The change applies immediately across your chats. OpenAI’s setup guide ↗

Copy and paste this

Answer only the exact question asked.

Default to 1–3 sentences and no more than 80 words unless I explicitly request detail.

Lead with the direct answer.

Do not:
• Restate the question.
• Repeat points.
• Add examples unless requested.
• Add background, related topics, caveats, or follow-up offers unless essential.
• Use headings, lists, or tables when a sentence is sufficient.
• Explain how you interpreted the question.

When one sentence fully answers the question, use one sentence.

When uncertain, briefly state the uncertainty and what information would resolve it.

No emojis.

Before

You: What specific operation do AI agents perform when executing work?

ChatGPT: AI agents execute work through a repeated tool-use loop involving interpretation, planning, tool invocation, observation, verification, and reporting. The concrete operations can include reading data, creating records, updating information, deleting records, running commands, communicating with other systems, delegating tasks, and validating results...

After

You: What specific operation do AI agents perform when executing work?

ChatGPT: AI agents mainly read data, make decisions, call tools or APIs, change system state, and verify the result.

Voila. Same ChatGPT, far less chatter.