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Synthetic Consumers

Synthetic Consumers

Synthetic consumers are consumers simulated by language models, intended to answer questions about products, prices or brands the way real people in a specific target group would in a survey.

Updated
September 28, 2026
· Horizon

The term is a synonym for synthetic respondents in a consumer context. We cover the topic in detail in the overview of synthetic research.

Why this matters for your decision

Synthetic consumers make exploration faster: hypotheses, segments, a first pre-selection. Whether people choose a new offer is shown by their behaviour. That is why the final variants go into a behavioural test with real people before the investment.

In consumer goods, retail and financial services, the term has become established because it sounds closer to practice than synthetic respondents. It refers to simulated people to whom a model assigns characteristics such as age, income, household size or brand loyalty. They answer questionnaires, react to concepts or discuss in simulated groups.

For your decision, what counts is which question you ask them. Which objections are conceivable, which wording is understandable, which segments are worth a closer look: for this, synthetic consumers are fast and inexpensive. For the question of which offer gets the budget, they provide indications, but no evidence about behaviour.

Example

A home appliance manufacturer has 500 synthetic consumers rate three positionings of a cordless kitchen machine. Positioning B reaches 64% approval, with A and C below it. This helps sharpen the messages. Which positioning moves people to purchase intent is only shown by a test with real people.

How it differs

Synthetic respondents, AI personas and synthetic consumers essentially mean the same thing. Silicon sampling refers to the underlying method. A digital twin usually replicates a specific customer base using its own data.

Limitations

Even studies that attest a high level of agreement for synthetic respondents measure them against surveys, not against behaviour. On top of this come a lower spread of answers and a tendency towards well-known brands. All details, studies and assessments can be found in the hub on synthetic research.

This is where Horizon comes in: with real people in their usual online environment, without a panel and without an incentive. Nothing is sold; what is measured is purchase intent.

Evidence

NIM 2024/2025: GPT-4-based synthetic respondents deviate clearly from 500 real respondents for 75% (soft drinks) and 80% (sportswear) of the questions respectively, overestimate well-known brands, underestimate less well-known ones and answer more positively and with less spread. Synthetic Respondents (Synthetische Befragte), research project of the Nuremberg Institute for Market Decisions. Source

Frequently asked questions

What is the difference between synthetic consumers and synthetic respondents?

In substance, none. Synthetic consumers emphasises the use for product, price and brand questions.

Where can I find the detailed assessment?

In the overview of synthetic research, with studies, methods and limitations.

What did your synthetic consumers tell you?

Bring your decision question, and we will outline a possible test design.

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SAMPLE REPORTExample

Sample report: insurance

Data analysis · Test design · Metrics · Methodology

Sample report

Sample report: insurance

A complete results report with example values: research question, test design, purchase intent per variant and the data analysis.

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