In partnership with

Find out why 1M+ professionals read Superhuman AI daily.

In 2 years you will be working for AI

Or an AI will be working for you

Here's how you can future-proof yourself:

1. Join the Superhuman AI newsletter – read by 1M+ people at top companies

2. Master AI tools, tutorials, and news in just 3 minutes a day

3. Become 10X more productive using AI

Join 1,000,000+ pros at companies like Google, Meta, and Amazon that are using AI to get ahead.

Sign up and start learning AI

How a Redditor Built a Warren Buffett AI That Actually Thinks Like Him

They Asked ChatGPT About Buying Stocks at All-Time Highs. What Happened Next Shocked Everyone.

You know that feeling when you ask ChatGPT something important and get back generic nonsense?

Yeah, this Redditor felt the same way.

So they decided to fix it. Spent 48 hours turning ChatGPT into Warren Buffett. Not the surface-level quote version everyone knows. The real deal.

The result? An AI that thinks like the guy who built $900 billion in wealth.

Here's What Happened When They Tested It

Asked the simple question that keeps investors up at night: "Everything's at all-time highs. Should I just buy SPY?"

Regular ChatGPT gave the usual: "Index funds are a good long-term investment strategy blah blah blah..."

Their Warren Buffett version? Completely different game.

It explained why markets hit all-time highs most of the time anyway. Gave actual data showing buying at peaks still returned 11% annually over 10 years. Suggested a hybrid approach with exact allocations.

But here's the kicker - it admitted even Buffett can't time markets.

Ended with this line: "Be fearful when others are greedy, but don't be paralyzed when others are euphoric."

That's not generic advice. That's nuanced thinking.

The Secret Sauce: 800,000+ Characters of Pure Buffett

The Redditor didn't just throw some quotes into a prompt. They synthesized everything. Annual letters, interviews, speeches, books. All of it.

The magic happens because you literally talk to it like you're sitting across from Warren himself. They engineered it that way on purpose.

Want to see the difference? Here's what happened when they asked about other stuff.

"Warren, Should I Buy NVDA?"

Most AI would say "do your research" or give you generic tech stock advice.

Their Buffett AI walked through Owner Earnings calculations. Compared NVIDIA to Cisco in 1999. Explained why 65x earnings means everything has to go perfect.

No fluff. Just frameworks.

"Why Are You Sitting on $325 Billion Cash?"

This one was wild. It explained the Buffett Indicator sitting at 200% of GDP. But emphasized he's not predicting crashes - just staying prepared.

That's the difference between surface quotes and actual mental models.

"What About Bitcoin as Digital Gold?"

Got the famous "rat poison squared" response. But then it explained WHY without being preachy about it.

See what's happening here? It's not just spitting back things Buffett said. It's thinking like him.

The Four Frameworks That Changed Everything

Building this wasn't about memorizing quotes. The Redditor had to understand how Buffett actually thinks.

Owner Earnings calculations - The real way to value companies, not just looking at reported numbers.

4-level moat analysis - How to spot businesses that can't be competed away.

Position sizing methodology - Why he puts 40% in his top holding but tells others to diversify.

Mental models - The thinking patterns that separate great investors from everyone else.

This Isn't Your Average ChatGPT Hack

Most prompt engineering is surface level. "Act like Warren Buffett" doesn't work because the AI doesn't know HOW Warren Buffett thinks.

That's why they spent 48 hours going deep. Really deep.

The result isn't just better investment advice. It's like having access to one of history's greatest business minds whenever you need it.

Why This Actually Matters

Here's the thing about most financial content - it's either too simple or too complex. Generic advice that doesn't help, or academic theory you can't use.

But when you can ask specific questions and get back frameworks instead of fluff? That changes things.

"Should I buy this stock?" becomes a conversation about moats and margins of safety.

"When should I sell?" becomes a discussion about intrinsic value and opportunity cost.

"How much should I invest?" becomes position sizing based on conviction levels.

The Meta-Prompt That Started It All

Building this took more than just collecting Buffett quotes. The Redditor had to understand the structure of his thinking.

How does he approach new investments? What questions does he ask first? How does he handle uncertainty?

The 40,000 character meta-prompt isn't just information. It's architecture for thinking like Buffett.

And honestly? The results speak for themselves.

What This Means for Your Investing

You probably won't get access to Warren Buffett for investment advice. But you can get access to his thinking patterns.

That's what this is really about. Not predictions or hot stock tips. Mental models that work regardless of market conditions.

The kind of frameworks that built Berkshire Hathaway.

The kind of thinking that turns $10,000 into millions over decades.

Not because it's perfect. Because it's consistent.

The Real Test

Want to know if this actually works? Don't take anyone's word for it.

Think about the best investment advice you've ever received. Was it a specific stock pick? Or was it a way of thinking about investing?

Probably the thinking part, right?

That's what this does. It gives you access to thinking patterns that have been tested over 60+ years of investing.

Not bad for 48 hours of work.

Read the full post and get the prompt here