Two Brain
日本語

Two Brain

People and AI. Beyond what’s possible.

Think together. Choose for yourself. Make something real. A new relationship with AI, from Japan.

Explore .IAbout Two Brain

An independent project / Japan

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ABOUT TWO BRAIN

One idea.
More possibilities.

Two Brain (twobrain) explores how people and AI can think and create together. New perspectives, choices of our own, and ideas that become real.

An independent project by Hirayama Daiki. Not yet incorporated.

About Two Brain

Our first product

In development · Invitation-only testing

From thinking to making.

Explore the .I website

01 / Friend / Brain

Take an idea one step further.

Friend for a conversation. Brain for a closer look from different perspectives. We are developing an experience that adapts to what you want to work through.

  1. Put it into words
  2. Explore perspectives
  3. Make your choice

Live AI conversations require a connected model provider.

.IIllustrative example

Start with a small idea.

I want to make an app for places I'd like to visit.
Talk it through.

A place on your mind. A plan for the weekend. Start before your idea is fully formed.

This example does not send anything to an AI.

02 / Codef

Turn an idea into something to try.

Edit files, review changes, and preview your project in one workspace. Make something tangible, then refine it as you go.

  1. Edit your project
  2. Review the changes
  3. Preview your work

AI editing and cloud execution are awaiting connection.

CodefIllustrative example
index.html
<main>
  <h1>Little travel notes</h1>
  <p>Where shall we go next?</p>
</main>
Edit → Save → Preview
Preview example

Little travel notes

Where shall we go next?

A little seaside townA walk, a cup of tea, a moment to rest.

03 / .I Store

Find a home for what you make.

Bring a saved Codef project into a store submission. We are building a place where people who create and people who use their work can meet.

  1. Save your work
  2. Submit the project
  3. Review for publication

Currently in invitation-only testing. Public distribution and sales have not launched.

.I StoreIllustrative example

Little travel notes

Places to visit, one at a time.

Draft example
Project
Codef
Description
Prepare the details
Publishing & sales
Not yet available
.IIllustrative example

Start with a small idea.

I want to make an app for places I'd like to visit.
Talk it through.

A place on your mind. A plan for the weekend. Start before your idea is fully formed.

This example does not send anything to an AI.

Start small. Make it yours.

Every idea has a beginning.

Talk it through

Before an idea is fully formed.

Start with a thought. Find your next step.

Find a direction

Make room for possibilities.

Bring your options into view.

Try making it

A little tool, all your own.

Edit, preview, and keep refining.

Make it tangible

Something to look forward to.

A place to save places. Start there.

Prepare to share

Someone else’s next discovery.

Prepare a description and a Store draft.

Illustrative ideas. Open a card to see the feature and its current availability.

LET’S TALK

Something on your mind?
Let’s talk.

About Two Brain, .I, or something you want to make. Tell us what you have in mind, or where you need a hand.

Open the contact formAsk about .I

One place for .I, Codef, and Store enquiries.