Decision Simulation Platform

Simulate human choices in 3 minutes.

100,000 AI personas modeled on Japan’s population help you test decisions instantly.

100K+
AI personas
80–90%
Agreement in case studies
3 min
Report generation
From a few thousand yen
Per task

* Figures show observed agreement in selected case studies against published/real data such as municipal surveys and actual purchase data. Results vary by task and are not a guaranteed accuracy rate. See our case studies.

AI Simulation Core

Meet 20 examples
from our 100,000 AI personas.

The displayed data is a summary. In an actual simulation, each persona reasons and decides autonomously based on far more detailed internal parameters (values, consumption behavior, interpersonal preferences, and more).

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Issue — The traditional process

Traditional research is heavy on “time and cost”

Human resources and long lead times are the biggest brake on business speed.

1

Request & requirements

Back-and-forth with the research firm: meetings, estimates, and contract procedures.

Coordination cost
2

Design & distribution

Expert question design, setting up the distribution system, and selecting respondents.

High upfront cost
3

Collecting responses

The waiting period until the target sample size is reached, plus reminder handling.

Days to weeks of waiting
4

Tabulation & analysis

Data cleaning, cross-tabulation, and preparing the report deck.

Manual work
Business Impact

Lost market opportunity

The risk of decisions being delayed and competitors getting ahead

Average duration
2+ weeks
Average cost
¥300,000+
Solution — The PersonaChoice innovation

Get decision insight in 3 minutes with PersonaChoice

100,000 AI-modeled personas evaluate your idea instantly.

Done in just 3 steps
1

Input

Enter your question and options (images supported)

2

Target

Specify respondent conditions (age, gender, etc.)

Insight

A detailed analysis report is generated instantly

3 min
Average processing time
From a few thousand yen
Dramatically lower cost
100K+
Virtual personas

Compared to traditional research

Dramatic improvement
Time required Traditional: weeks
3 min (Instant)
Cost Traditional: ¥300,000+
From a few thousand yen
Prep effort Traditional: design, request, manage
Input only (Minimal)
ℹ︎ By modeling Kahneman’s “dual-process theory (System 1 / System 2),” it captures even the human-like, irrational side of decision-making. Not just fast — its results are grounded in established behavioral science.
Product Tour — See It in Action

Three minutes after you type, the report is in your hands

No expertise needed. Just type your question, and candid responses from 100,000 AI personas come back in a form you can read.

personachoice — simulation
1

Enter your question and options

Enter a question like, “Which would people choose: A or B?” Attaching images is also supported.

2

Choose respondents

Narrow down the segment you want to hear from by age, gender, region, occupation, and more — freely drawn from 100,000 people.

3

Read the report

A report with evidence is generated automatically — selection rates, trends by age group, and even the reasons behind each choice.

Science

Backed by science, so the results feel “real”

A highly reliable simulation grounded in theories from behavioral economics and psychology

Dual-process theory

Modeling Kahneman’s intuition and logic

Multi-attribute utility theory

Reproducing complex evaluation methods mathematically

Prospect theory

Accounting for biases such as loss aversion

Big Five

Giving each persona diverse reactions by personality trait

Get Started

Test-drive that choice before you launch it.

Experience a 100,000-person simulation right now with 3,000 bonus points (free) for first-time sign-ups.