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Free guide · Step 1 of 3 · ChatGPT, Claude and Gemini

Get better answers from AI by briefing it like a new colleague

You don't need magic words. AI does good work when it knows what you want, why you want it, and who it's for. This guide shows you how to say that in under a minute, by typing or just by talking.

Parts to a good brief
4
and you rarely need all of them
Reading time
10 min
no coding, no jargon
Starter prompts
8
ready to copy and fill in

01

Brief AI the way you'd brief a smart new colleague

A search box wants keywords. A new colleague needs a briefing. They're quick and capable, but they weren't in the meeting. They don't know your client or your deadline, and they can't guess what "make it better" means to you.

How people often type
email client late payment polite
Keywords work for search. The AI has to fill every gap with a guess, so you get something generic.
How you'd brief a colleague

"Can you write a short email to Dana? She's missed two payments. I want to keep her as a client, so be friendly, but I need a payment date by Friday."

Same request, with the reason and the reader. This is all a prompt needs to be.
The new-colleague test. Before you send a prompt, picture handing it to someone who started today. Would they know what to do? If they'd have questions, so will the AI, except it usually won't ask. It will guess instead. Anthropic suggests this same test in its prompting guide.

02

Four parts, and you rarely need all of them

A good brief answers four questions. For a quick job, one line is fine. For anything that matters, add the parts that are missing.

1

Goal

What do you want?

Say the result, not the steps. "A two-paragraph reply that says no politely."

2

Context

Why, and for whom?

Who will read it, what happened before, and what has to happen next. People skip this part most, and it makes the biggest difference.

3

Example

What does good look like?

Paste something you like, such as an old email or a post in your voice. One example teaches tone better than a list of adjectives.

4

Format

How should it come back?

Length, layout, and one or two firm rules. "Under 120 words. Keep the prices exactly as they are."

Build a brief

Fill in what you know. Your prompt builds on the right as you type. Nothing you type leaves this page.

Your prompt


          

Same task, two ways

The old way
Act as an executive assistant with 20 years of experience. Rewrite this email to be professional.

The AI gets a job title but no idea who's reading or what needs to happen.

A short brief
Goal: Rewrite this email so it sounds calm and firm.
Context: It goes to a client who has missed two payments. I want to keep working with them, but I need a payment date.
Example: Here's an email of mine whose tone I like: [PASTE]
Format: Under 120 words. Keep the invoice numbers exactly as they are.
Email: [PASTE YOUR DRAFT]

Now it knows the reader, the goal and the limits. Every line is optional.

03

Talk it out, then let the AI write the prompt

Most people type short prompts because typing is slow. Talking is faster, so you end up explaining more. If you have a lot in your head, press the microphone in the message box and just talk for a minute or two. Don't worry about order or "ums."

  1. 1. Talk it out
    Voice brain dump
  2. 2. AI drafts
    A clear brief
  3. 3. AI asks you
    What's missing
  4. 4. Result
    Then follow up
  5. 5. Save it
    For next time (section 06)
1

Talk

Press the microphone and say everything: the goal, the backstory, what worries you, what a good result looks like.

2

Ask for a clean prompt

Use the prompt below. The AI sorts your ramble into a clear brief.

3

Fix and send

Read the brief, answer its questions, correct anything it got wrong, then tell it to go ahead.

Turn my brain dump into a brief
Below is a messy voice note about something I need help with. Turn it into a clear brief I could give you, using four headings: Goal, Context, Example, Format. Don't guess at anything important that's missing. List it under "Questions for me" instead. Then wait for my answers before you start the task.

Voice note: [TALK OR PASTE HERE]
Dictation or voice mode? Dictation turns your speech into text in the message box, so you can check it before you send it. Voice mode is a spoken back-and-forth conversation. For brain dumps, dictation is usually easier to review.

04

Let the AI ask the questions

You don't have to think of everything up front. For bigger tasks, ask the AI to interview you first. It's often better than you are at spotting what's missing.

Add this line to any prompt
Before you start, ask me up to 5 questions, one at a time, about anything you'd need to know to do this well. Wait for each answer before asking the next one.
Why one at a time? A list of ten questions feels like homework, and most people skip it. One at a time feels like a conversation.
When to skip it. Quick rewrites, simple facts, and anything you'd answer in one sentence.

What it looks like

Help me plan a workshop for new clients. Before you start, ask me up to 5 questions, one at a time.
Question 1 of 5: Who's coming? Are they brand-new to AI, or have they tried a few tools already?
Mostly brand-new. Small business owners.
Thanks. Question 2 of 5: How long is the workshop, and is it in person or online?

05

Turn on thinking for hard problems

Most AI apps now have a thinking or reasoning option. With it on, the AI works through the problem before it answers. Typing "think step by step" used to help. On today's models it adds little, because they already reason when it's needed.

Leave it off for

  • Rewording a message
  • A quick fact or definition
  • Brainstorming names or ideas
  • Short summaries

Turn it on for

  • Decisions with trade-offs
  • Long documents or contracts
  • Anything with numbers
  • Plans with many steps
Where to find it. Look in the model picker or the + menu next to the message box. The name changes from app to app: Thinking, Reasoning, or a choice like Fast and Thinking. Many apps now switch it on by themselves for hard questions.
The trade-off. Thinking is slower, and on some plans it uses up your limits faster. Save it for problems that need it.

06

Stop repeating yourself

If you paste the same background into every chat, save it instead. There are three places to put it, from broad to narrow.

Every chat

Custom instructions

Who you are and how you like answers. It applies to every chat.

I run a small bookkeeping business. Write in a warm, direct tone. Use short paragraphs. If my question is unclear, ask before answering.

Where: ChatGPT: Settings, then Personalization. Claude: Settings, then Instructions for Claude. Gemini: Customize in the side menu.

One ongoing job

Projects

One ongoing piece of work, with its files and rules kept together.

A "Client newsletter" project that holds your brand voice notes, last month's issue and a few lines on format.

Where: Claude and ChatGPT both have Projects in the side menu.

One repeated task

Skills

One task you do the same way every time, saved so the AI can follow it on request.

A "weekly client update" skill that always uses the same headings and ends with next steps.

Where: Claude, ChatGPT and Gemini all support skills. Gemini is turning Gems into skills from November 2026.

Building skills is step 3 of this path, in the Agent Folder Blueprint.

07

Old prompt habits you can drop

Some tricks that went around in 2023 and 2024 never helped much, and newer models don't need them. Researchers and the AI companies' own guides now say you can let these go.

Shouting in capitals

"IMPORTANT: You MUST..."

Instead: Say it once, normally, and explain why it matters. Anthropic says newer models follow instructions closely and can overreact to shouting.

Tips and threats

"I'll tip you $200" or "this is life or death"

Instead: Leave them out. Wharton researchers tested both in 2025 and found no reliable effect on hard test questions.

"You are a world-class expert"

Opening every prompt with a job title

Instead: Say who the answer is for and what it's for. A 2025 Wharton study found expert personas didn't make answers to hard factual questions any more accurate. A role can still help set the tone.

"Think step by step"

Asking for reasoning in words

Instead: Use the thinking switch. Wharton found the phrase added only a few percent on reasoning models and made answers 20 to 80 percent slower.

Giant templates for small jobs

A 300-word prompt to fix one sentence

Instead: Start short and follow up. OpenAI's guide for ChatGPT users says short prompts often work and follow-ups are normal.

08

Eight prompts to start with

Each one follows the four-part brief. Replace everything in [square brackets] with your own details. They work in ChatGPT, Claude and Gemini.

1

Polish a message

Writing
Rewrite the message below so it sounds [calm and firm / warm / direct].
It's going to [who], and I need them to [what you want them to do next].
Keep my meaning, and keep any names, dates and numbers exactly as they are. Keep it under [number] words.

Message: [PASTE YOUR DRAFT]
2

Explain it simply

Learning
Explain [topic] to me. I'm new to it, and I need to understand it well enough to [why you need it, like "talk to my accountant"].
Use one everyday comparison. Then list the 3 things I should learn next, with one sentence on why each matters.
3

Find the risks in a document

ThinkingTurn on thinking
I've attached [a contract / a proposal / a report]. I need to decide [the decision] by [date].
Find the 3 biggest risks or open questions in it, and quote the line each one comes from.
Write it as a short brief for someone who won't read the whole thing.
4

Get a second opinion

ThinkingTurn on thinking
I'm deciding whether to [decision]. Right now I'm leaning toward [option] because [your reason].
Give me the strongest honest case for and against it. Then name the assumption I'm most likely getting wrong, and the one fact that would most change your answer.
Don't just agree with me.
5

Help with a screenshot

Learning
I've attached a screenshot of [an error message / a settings page / a form]. I'm trying to [what you're trying to do].
Tell me what I'm looking at, the exact next step to take, and anything I shouldn't click or change.
6

Compare options

Research
Compare [3 tools or services] for [what you need them for]. I'm [who you are, like "a one-person design studio"] and my budget is [amount].
Make a table with price, what each does best, and the main drawback. Link a source for every price, and say when each one was last updated.
Then tell me which one you'd pick for me and why.
7

Quiz me

Learning
I want to learn [skill] well enough to [goal] in [time frame].
Make me a simple weekly plan. After each week's summary, ask me 2 questions to check I've got it, one at a time, before we move on.
8

Turn a brain dump into a plan

Thinking
Below is everything on my mind about [project or week], in no particular order.
Sort it into a plan: what has to happen first, what can wait, and what I can drop. Flag anything that has a deadline.
Ask me about anything that's unclear before you finish.

Brain dump: [TALK OR PASTE HERE]

09

Two rules that haven't changed

Guard private information

Never paste passwords into a chat. Before you share client details or anything confidential, check your app's data settings. Many personal plans can use your chats to improve future models unless you turn that off.

Check what matters

AI can sound sure and still be wrong. Treat every answer as a first draft. Check names, numbers, dates, quotes and links before you use them.

The cheat sheet

Keep the brief next to your keyboard

Get a printable two-page cheat sheet by email, with everything from this guide that's worth keeping in view.

  • The four-part brief on one page
  • The interview line and the brain-dump prompt
  • The habits to drop, with what to do instead
  • All eight starter prompts, ready to copy

What's next

When a prompt becomes a weekly job

Once you're using the same prompt every week, it's time to turn it into a repeatable process. That's step 2.

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