Home How to Use ChatGPT, Claude, and Perplexity as a Thinking Partner
How to Use ChatGPT, Claude, and Perplexity as a Thinking Partner

How to Use ChatGPT, Claude, and Perplexity as a Thinking Partner

Your AI Is the Brain. Your Planner Is the Body.

How to Use ChatGPT, Claude, and Perplexity as a Thinking Partner — Then Drop the Output Straight Into Your Digital Planner

There's a specific kind of tired that has nothing to do with sleep.

It's the tired of carrying twelve half-formed goals in your head. The client project with no clear next step. The "I should really launch that" idea you've been rotating for eight months. The dentist appointment. The invoice. The vague sense that you're behind on something you can't name.

You don't have a productivity problem. You have an unprocessed thoughts problem.

Here's the shift that fixed it for me: stop using AI to write things for you, and start using it to think with you. Then take that thinking and give it a permanent home in your digital planner.

The AI is the brain. The planner is the body. One without the other doesn't get you anywhere.

Why This Combination Works

Two things are true at once right now.

First, AI has quietly become normal. About half of U.S. adults now use AI chatbots, up from a third in 2024, and roughly one in four use them dail. This isn't an early-adopter move anymore. Your neighbor is using it to plan dinner.

Second, writing things down still measurably works. In Dr. Gail Matthews' study at Dominican University, 43% of participants who only thought about their goals made real progress. The group that wrote their goals down, committed to specific actions, and reviewed progress weekly hit 76%. Writing was the floor, not the ceiling — the gains came from action steps and regular review layered on top.

Most people are doing one or the other. They chat with AI and lose the conversation in a scroll history they never open again. Or they keep a beautiful planner and stare at a blank weekly spread with no idea what to put in it.

Put them together and you get a system: AI does the messy sorting, your planner does the remembering and the reviewing.


Step One: The Brain Dump (Do Not Organize Yet)

This is the part people get wrong. They try to write a tidy list. Don't.

Open a chat and dump everything. Unfiltered, out of order, contradictory, petty, ambitious. Fragments are fine. Typos are fine. The whole point is that you are not the one doing the sorting.

Then use a prompt like this:

I'm going to brain dump everything on my mind. Don't fix or organize it while I'm typing — just receive it. When I say "done," ask me up to five clarifying questions before you structure anything.

That last line matters. It stops the AI from immediately handing you a generic 5-pillar life plan. You want it curious first, useful second.

Dump for ten minutes. Say "done." Answer the questions.


Step Two: Ask for Structure You Can Actually Paste

Now you turn the mess into something planner-shaped. The key is telling the AI exactly what format your planner needs — otherwise you'll get prose you have to retype by hand.

Here's the prompt I use most:

Take my brain dump and organize it into this exact structure:

1. Life areas — group everything into no more than 5 categories, named in my own words.
2. For each area: one clear 90-day outcome written as a finished result, not an activity.
3. For each outcome: 3–5 concrete next actions, each starting with a verb and small enough to finish in one sitting.
4. This week: pick only the 6 actions that matter most across all areas, and tell me why those six.
5. Parking lot: everything that's real but not now.

Output as a clean markdown table with columns: Action | Life Area | Est. Time | Week. No commentary before or after the table.

That last instruction — "no commentary" — is what makes it copy-and-paste ready. You get a table, not an essay wrapped around a table.


Step Three: Paste Into Your Planner

Now it goes somewhere permanent.

If you're using a GoodNotes or Notability–style PDF planner, paste the table into a note, screenshot it, and drop the image onto your monthly overview page as your reference sheet. Then hand-write the six weekly actions onto your weekly spread. Yes, by hand. The retyping is not wasted effort — it's the moment you decide you actually mean it.

If you're in Notion, Todoist, or a database-style planner, ask for CSV instead:

Reformat that same table as CSV with headers: Task, Life Area, Estimated Minutes, Due Week, Priority. No code block, no explanation.

Paste directly into a table view. Ninety seconds of setup instead of an hour.

If you're using a hybrid setup — digital planner for the week, paper for the day — put the 90-day outcomes in the digital planner where they live untouched, and pull only tomorrow's three actions onto paper each night.


Which Tool for Which Job

They're not interchangeable. Using the wrong one is why people conclude "AI isn't that useful for planning."

Perplexity — for anything that touches the real world. Use it when your plan depends on facts you don't have. Pricing for a service you want to launch. What the permit process actually involves. Whether the tool you're about to build a workflow around still exists. It cites sources, so you can check the answer instead of trusting it.

I want to launch a paid membership for my design business by Q1. Research what comparable independent designers charge for monthly memberships, what they include, and what platforms they use. Cite your sources, then list the 5 decisions I need to make before I can price mine.

Claude — for the long, thoughtful, emotionally honest work. It handles big messy inputs well and pushes back without being preachy. This is your quarterly review partner and your "why do I keep avoiding this" conversation.

Here's everything I planned last quarter and what actually happened. Find the patterns I'm not seeing. Be specific about what I consistently avoid, and don't soften it. Then tell me which two goals I should drop entirely.

ChatGPT — for fast structuring and reformatting. When you already know what you want and just need it shaped, this is the fastest path. Custom instructions and saved memory mean it learns your planner's format once and keeps using it.

Reformat this into my weekly template: Monday–Friday, max 3 tasks per day, batch similar work together, no more than 4 hours of committed work daily.

The workflow that works: Perplexity to check reality → Claude to think it through → ChatGPT to shape it for your planner.


The Weekly Review Is the Whole Thing

This is where most systems die. The setup is fun, the maintenance isn't.

Make it fifteen minutes, once a week, same time. Paste last week's planner page into the chat and use one prompt:

Here's what I planned last week and what I actually completed. Tell me: what got done, what slipped and probably why, what I should carry forward, and what I should delete instead of carrying forward for the fourth time. Then give me next week's 6 actions as a markdown table in the format you've used before.

Paste the output into next week's spread. Done.

Remember the Matthews finding: the group that hit 76% wasn't the group that wrote the prettiest goals. It was the group that reviewed them consistently. The review is the mechanism. Everything else is preparation for the review.


Four Mistakes to Skip

Letting AI choose your priorities. It's excellent at organizing and terrible at knowing what matters to you. It doesn't know your mother is sick or that this client drains you. You decide what's important; AI decides the order of operations.

Accepting goals you didn't write. If the output uses words you'd never say, throw it out and ask again in plain language. A plan written in someone else's voice never gets followed.

Planning in the chat window. A conversation is not a system. If it never leaves the chat, it doesn't exist. The planner is the commitment.

Over-structuring. Five life areas, six weekly actions, three daily tasks. If your plan needs its own onboarding, you won't use it past Thursday.


Start Here, Today

You don't need a new app or a new planner. You need one honest twenty minutes.

  1. Open any AI tool.
  2. Brain dump for ten minutes. Don't organize.
  3. Ask for the table. Use the prompt above, exactly.
  4. Paste the six weekly actions into your planner.
  5. Put a fifteen-minute weekly review on your calendar. Recurring.

That's it. That's the ultimate life — not a perfect system, just a reliable one. A brain that helps you sort, and a body that helps you remember.

The tired lifts faster than you'd expect.


→ What's the one thing you've been rotating in your head for months? Dump it first.

Back to blog

New Arrival

Sale Off 30%

Discover Now

Recent Post

Leave a comment