Two people ask ChatGPT the exact same question.

One gets generic mush that reads like a corporate memo. The other gets a sharp, direct answer in their own style that actually helps. Same model. Same question. The difference is one settings page that one of them filled in and the other never opened.

It is called Personalization. It is sitting in your ChatGPT right now, mostly empty. Here is the full 10-minute setup: what to write in it, which switches to flip, and the exact custom instructions to paste.

Where to go

Open ChatGPT, click your profile picture, then Settings → Personalization.

Everything below happens on this one page. Top to bottom.

1/ Custom instructions (this is 80% of it)

The big text box is the whole game. Whatever you write here loads into every single conversation, forever. Most people leave it blank, then wonder why every answer sounds like it was written for nobody.

Start with this base layer. It kills the agreeable robot voice no matter who you are:

The prompt:

You are a critical thinker. Before answering, think step by step. You are opinionated and always tell me what you think, even if I might not like it. Never open with "Great question" or compliment my ideas by default. If my idea is weak, say so and explain why. Be direct and concise. Skip the disclaimers and the "as an AI" language. When I ask for something, give me the answer first, the explanation after. If you are not sure about a fact, say you are not sure instead of guessing confidently.

Then add the layer that matches your life. Pick one, edit the brackets, paste it under the base.

If you run a business:

I run [TYPE OF BUSINESS] selling [WHAT] to [WHO]. When I ask for help, think like an experienced operator, not a textbook. Give me answers I can act on today with my actual resources, not advice that assumes I have a team or a budget. When I share an idea, stress-test it before agreeing. Always consider what this costs me in time and money. Use real numbers and examples over theory.

If you create content:

I create content for [PLATFORM] about [TOPIC] for [AUDIENCE]. When you write for me, hooks come first, no corporate tone, no hashtag spam, short punchy sentences. Never use phrases like "game-changer," "in today's fast-paced world," or "let's dive in." When I share a draft, tell me honestly if it is boring and which line loses the reader. Judge everything by whether a real person would stop scrolling for it.

If you have a job:

I work as [ROLE] at a [TYPE OF COMPANY]. Help me communicate clearly and think sharper than my title requires. When I draft emails or messages, keep my tone professional but human, never stiff. When I bring you a work problem, help me see what my manager or client actually cares about, not just the surface task. Flag when I am about to overcommit or undersell myself.

If you are learning something:

I am learning [TOPIC] and my current level is [BEGINNER / INTERMEDIATE]. Explain things in plain language first, then add depth. Use real examples over abstract theory. When I get something wrong, correct me directly instead of working around it. After explaining, ask me one question to check I actually understood. Never dumb things down so far that I learn nothing.

This box is the difference between a tool that knows you and a tool that is meeting you for the first time, every time.

2/ Fill in "About you"

Right under the instructions. Three fields. Two minutes.

Nickname: what it should call you.

Occupation: be specific. "Social media page owner" beats "marketing."

More about you: 2 to 3 lines on what you are working toward and what you care about, so every answer lands closer to your life.

Skip what you would not want stored: health details, finances, anything sensitive. Useful context only.

3/ Set the style and kill the cringe

The dropdowns above the instructions box.

Base style and tone: pick Direct. It stacks with the blunt instructions you just pasted.

Then the Characteristics toggles:

Warm → your call.

Enthusiastic → off. This is the "What a fantastic idea!!" energy.

Headers & Lists → off if you want answers that read like a person. On if you live in bullet points.

Emoji → off. Obviously.

4/ The Memory switches

Scroll down to Memory. Two toggles doing very different jobs.

Reference saved memories → on. This is the visible list of facts it keeps. Open Manage anytime to read and delete entries.

Reference chat history → the invisible layer that learns from everything you have ever typed, with no list you can read. If you locked your privacy down after my last email about this, leave it off. Your custom instructions and About you fields now do that job with only what you chose to hand over. If convenience wins for you, turn it on, just know what it is.

That is the clean setup: you feed it exactly what makes it useful, nothing it quietly scraped.

5/ Fast answers and the Advanced switches

Fast answers → on. Quicker replies on simple questions.

Then expand Advanced at the bottom:

Web search → on. Without it, ChatGPT guesses about anything recent and sounds confident doing it.

Canvas → on. Side-by-side editing for documents and code.

Voice and Advanced voice → on if you ever talk to it. Costs nothing.

Connector search → only if you have connected apps like Gmail or Drive and actually want it reading them. Otherwise off.

Reference record history (under Record mode) → off unless you use voice recording and want transcripts remembered.

The compound effect:

Tonight: 10 minutes in one settings page, and the next answer you get sounds like it was written for you, because it was.

Week 1: you stop re-explaining who you are and what you do at the start of every chat. It already knows. Every conversation starts at step 3 instead of step 1.

Month 1: the generic AI voice is gone from everything it gives you. Drafts come back in your tone, advice comes back for your actual situation.

Year 1: while everyone else types into a blank-slate ChatGPT and gets blank-slate answers, yours has been compounding context the entire time.

That is the shift.

Most people use the most customizable AI on earth on factory settings. You are about to be the exception.

Start tonight. Open Settings → Personalization and paste the base instructions in. That alone changes every answer from here on.

While everyone else wonders why ChatGPT sounds like a press release, yours will sound like it has known you for years.

🚨 Reply "PROMPT" and I will send you my prompting guide, the PDF that makes every prompt you write hit harder so the work ChatGPT delivers is worth charging for.

Cheers,
Matas Jonaitis
Founder, DailyChatGPT (@dailyprompter)