5 AI Utilization Techniques of Masayoshi Son, Japan's Leading Entrepreneur

@masaki_aihack
JAPANESE3 weeks ago · Jun 25, 2026
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TL;DR

This article outlines how SoftBank's Masayoshi Son maximizes AI potential by focusing on deep iteration, backcasting from the future, and demanding numerical precision rather than just seeking simple answers.

If you are satisfied with just throwing "summarize this" at ChatGPT, you are not even drawing out half of AI's true potential.

Summarizing, rewriting text, and brainstorming ideas.

All of these are convenient.

But those are just "ordinary uses" where anyone would get the same answer.

Masayoshi Son's approach to AI lies in a completely different place.

Why Did Masayoshi Son "Bet" on AI?

When people hear about Masayoshi Son's AI utilization, many think of "SoftBank's massive investments."

That is certainly true.

SoftBank Group has invested trillions of yen in AI infrastructure through stakes in Arm and OpenAI.

Since 2024, Mr. Son has repeatedly spoken in public about the arrival of "ASI (Artificial Super Intelligence)."

But there is a fundamental problem here.

If we dismiss it by saying "it's special because he has capital," we are left with nothing.

What we should really learn is not the investment amount.

Masayoshi Son's greatest weapon lies in his habit of using AI as a "sparring partner" every single day.

Mr. Son has publicly stated on his X account that he uses ChatGPT daily to test new ideas one after another.

This attitude is something you can emulate starting today, even without capital.

Method ①: Throw "Questions" Instead of Seeking "Answers"

Are you seeking "answers" from AI?

"Tell me a good marketing method."

You ask this, get a generic response, and feel disappointed.

It's a common story.

Masayoshi Son's thinking is the opposite.

He says that when he was young, he tasked himself with coming up with one invention every day.

What matters is not the quantity of answers, but the angle of the question.

If you're prompting an AI, write it like this:

"If you were Masayoshi Son, give me 3 reasons to invest in this business and 3 reasons not to."

Specify a persona and have it provide both pros and cons.

This alone creates a world of difference compared to a simple search.

Method ②: Dig Into One Theme 10 Times

Most people ask the AI one question and stop there.

They copy and paste the returned answer and are satisfied.

But that only gets you superficial generalities.

The characteristic of Mr. Son's thinking is "digging thoroughly," as repeatedly depicted in the biography Aiming High: The Biography of Masayoshi Son (written by Atsuo Inoue).

He verifies a single hypothesis from many different angles.

When using AI, layer your questions on the same theme.

"Why can you say that? Provide evidence."

"What would someone in the opposite position argue?"

"How would this change if viewed from a perspective 3 years from now?"

Don't end it in one go.

Dig, dig, and keep digging.

This is the true meaning of "sparring."

Method ③: Backcast Your Questions from the Future

Are you only consulting about the problems right in front of you?

"How to increase sales this month."

Of course, that's important.

But Masayoshi Son's thinking always starts from "30 years later."

Since the founding period in 1995, Mr. Son has held a long-term vision of a "company that lasts 300 years."

Decide on the distant future first, then backcast to what needs to be done now.

This is his decision-making model.

When consulting AI, try stretching the timeline.

"If this industry were to disappear in 10 years, what do you think the cause would be?"

"Based on that future, list 5 things I should start doing now."

Backcast from the future.

Then, your immediate worries will start to look small.

Method ④: Press for Numbers

Do you believe the AI's answers as they are?

Vague words like "effective" or "important."

You feel like you've read something, but you can't decide anything.

Mr. Son is known as a manager who is abnormally obsessed with numbers.

He is famous for immediately pressing people in meetings with questions like "What percentage is that?" or "How much is that in monetary terms?"

Make the same demands of the AI.

"Show the effect of that measure with specific numbers and percentages."

"Provide the cost and expected return in a table format."

Make it convert words into numbers.

This alone completely changes the precision of your decision-making.

Method ⑤: Treat It as Someone Smarter Than Yourself

If you think of AI as just a "convenient tool," your way of asking becomes sloppy.

You give instructions from above and just check what comes out.

With that attitude, the AI will only return safe answers.

Mr. Son says AI "will become an existence that far exceeds human intelligence" and approaches it with respect.

Because he treats it as a superior, he throws serious questions at it.

For example, try asking this:

"Point out all the weak points in my thinking without hesitation."

"From your perspective, what are the assumptions I am overlooking?"

Let the AI poke holes in your weaknesses.

It's like having someone who is an expert at Excel right next to you, giving you harsh feedback at any time.

It All Starts with "Touching It Every Day"

I have introduced five methods so far.

But you don't need to do them all.

The most important thing is to open the AI every day, just as Masayoshi Son does.

It doesn't have to be a difficult question.

Just try throwing one of today's worries at it.

Summary

As long as you are satisfied with just throwing "summarize this" at ChatGPT, you are not even drawing out half of AI's true potential.

Masayoshi Son's greatest weapon lies in his habit of using AI as a daily sparring partner.

It's not about capital.

It's about the angle of the questions and the obsession to keep digging.

What did you think?

The five methods introduced this time can be tried starting today with just a smartphone.

First, try asking, "If you were Masayoshi Son, what would you say about my current job?"

This account will continue to share specific models for AI utilization like this.

Follow me before you forget.

What question will you throw at the AI today?

Finally, One Last Thing.

銀次 | AI×効率化 - inline image
銀次 | AI×効率化 - inline image

I had the AI create all of these slides. There isn't a single one made by hand anymore.

And today. I am giving away the AI that can create them with that exact same quality.

If you've read this far, you must have realized it by now.

Everything I've been talking about in this article was ultimately about just one thing.

"Don't let the AI get lost."

AI doesn't fail to work well because its ability is low. It's because it is lost.

Give it context. Design the instructions. Leave no room for the AI to wonder. In other words, raise it as a secretary. In the article, I did this with Claude Code.

What I'm distributing now is a ChatGPT GPTs. Just to be sure: the body text was about Claude Code, and this is a ChatGPT GPTs. The tools are different.

But the root is the same.

What's needed isn't technology. It's just a design that doesn't let the AI get lost.

This GPTs is a finished product that pushes that philosophy to the limit in the single area of "slide creation." I've already finished the work of designing the context.

I guarantee it. All you do is type in the theme. Then, the thoroughly designed GPTs will spit out slides without hesitation.

The article that first introduced this GPTs recorded 400,000 impressions.

https://x.com/masaki_aihack/status/2069695349086900342

That means that many people reacted, thinking "this is different."

And for a limited time only. I am distributing a set of "20 bonuses" including this GPTs.

How to receive them is simple. Join the LINE OpenChat below. That's it.

You can enter from here

I'll be honest. This GPTs wasn't completed in one shot. I failed more than 50 times. It took a week to finally get it to the point where "anyone can use it."

I'm distributing that manual as is this time.

Let me say it just one more time.

What's needed isn't technology. It's just the ingenuity to not let the AI get lost.

Why not end the exhaustion of making slides today?

References

・Atsuo Inoue, Aiming High: The Biography of Masayoshi Son (Jitsugyo no Nihon Sha)

・SoftBank Group financial results briefing materials and official statements by Masayoshi Son (2024)

・Content posted on Masayoshi Son's official X (formerly Twitter)

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