Solutions · Customer digital twins

Customer digital twins for better commercial decisions

Test offers, messages and products on a simulated version of your own customers before you spend the budget.

In buildIn build with design partners. The market crowds behind Pulse and Screening Room are live today; the mode that builds twins from your own customer file is being built with a small number of pilot clients.

Definition

What is a customer digital twin?

A customer digital twin is a simulated respondent that stands in for a group of your real customers. It is built from what that group did — what they bought, how often, through which channel and for how long — and it answers a proposal in words: whether it would take an offer, what it likes about it, and what it objects to. CrowdOS builds one twin for each weighted cohort of customers, not one for each person.

Introducing customer digital twins

From a score to a reaction

Customer analytics has moved in steps. First came risk scores and segments. Then propensity models and next-best-action engines that predict a single outcome from a single input. Each step made better use of the data a business already holds, and each stopped short of the question commercial teams ask most: if we changed this offer, this message or this price, how would our customers react?

Large language models make that question answerable in a new way. Combined with a business's own behavioural and transactional data, they can represent groups of customers as virtual respondents that react to a proposal in words, not just in a score. CrowdOS customer digital twins are built this way: from your customer file, grouped into weighted cohorts, each represented by a persistent archetype that can be asked, challenged, and put in a room with the others.

A customer digital twin is not a prediction engine for individuals, and it is not a replacement for talking to customers. It is a fast, inexpensive way to rank options and find objections before a campaign, so that the research and media budget goes to the ideas most likely to work.

Better commercial decisions

What can customer digital twins be used for?

  • 01

    Offer and incentive testing

    Put candidate offers in front of every cohort before launch.
    What you get Offers ranked by cohort, with the objections each cohort raises.
  • 02

    Message and creative testing

    Try framings, headlines and creative against the cohorts you need to move.
    What you get Which framing moves which cohort, and which leaves it unmoved.
  • 03

    Product and proposition testing

    Pressure-test a new product with the customers most and least likely to adopt it.
    What you get Who it is for, who it is not for, and why, in their words.
  • 04

    Pitch preparation

    Give sales and service teams something better than a segment description.
    What you get Cohort-by-cohort talking points drawn from what the twins pushed back on.
  • 05

    Campaign learning

    Upload results after a campaign and compare them with what the twins said.
    What you get Where the twins ranked offers correctly, and where they did not.

The design

Why cohort twins and not individual twins?

One approach builds a twin for every customer. Published research on language-model personas points the other way: they approximate the distribution of a group's answers far better than the answers of any one person. CrowdOS is built on that finding rather than against it.

Your customer file is grouped into between twenty and two hundred cohorts by behaviour. Each cohort is weighted by its share of your customers and represented by one archetype. The result is an audience you can read at a glance, that costs a fraction of simulating every customer, and that never needs a named individual's record to run.

How your data comes together

From a customer file to a twin

Demographics, tenure, product holdings, transactions, engagement and service history are reduced to cohort-level features when the file is uploaded. Direct identifiers — names, emails, phone numbers, national ID numbers, full addresses — are dropped before anything is stored.

Each cohort becomes a profile written from its distinguishing features by a fixed template. No language model writes the profile, and no personality is inferred from purchases: where you have survey data that states attitudes, it is added; where you do not, the twin starts from a population prior.

Customer file

  • Demographics
  • Tenure
  • Product holdings
  • Transactions
  • Engagement
  • Service history

Cohort features

Identifiers dropped

20–200 weighted cohorts

One twin per cohort

Exhibit 1. Feature groups from the customer file are reduced to cohort features; each cohort becomes one weighted twin.

Cohort 7 · Lapsing card holders

Illustrative

6.2% of customers

Offer

No annual fee for a year if they move their spending back to the card

Stated reaction

“A year without the fee is fair, but I moved my spending because the other card earns more back. Fix that and I'd come back.”

Intent

  • Would take it14%
  • Probably27%
  • Unsure24%
  • Probably not21%
  • Would not14%

Objections raised

  • Rewards rate, not the fee
  • Doubts the fee stays waived
  • Switching cards is a chore

ReliabilityDirectional

Exhibit 2. A cohort twin answering a proposed offer. Illustrative: the cohort, the offer and every figure on this card are invented for the example.

What sets CrowdOS twins apart

Four things that set CrowdOS twins apart

  • 01

    Built from behaviour, not stated preferences

    Cohorts are derived from what customers did. Survey answers are added only when you have them, and are never invented.

    In buildThe cohort builder is being built with design partners

  • 02

    Deliberation you can watch

    Twins can be put in a room to argue, so you see how a position forms and which objections survive the discussion.

    LiveLive on the market crowd today (Pulse debate); on your cohorts, in build

  • 03

    A ledger that shows the misses

    Every benchmark run we publish lists its questions one by one, including the ones the crowd got most wrong. With your permission, your own campaign results would form a private ledger for your organisation.

    LivePublic ledger live for the US and Singapore; private ledger in build

  • 04

    Grounded in Southeast Asia

    The market crowds for Singapore, Malaysia, Indonesia, Thailand, the Philippines and Vietnam are built country by country from national population figures — age, sex and region, and for Singapore, Malaysia and Indonesia ethnicity and religion — rather than from one global profile.

    LiveSingapore's benchmark is published; the others are not yet

Compared

How do cohort twins compare with other ways to ask customers?

How do cohort twins compare with other ways to ask customers?
Cohort twinsPer-customer twinsSynthetic respondentsHuman panels
Built fromYour customers' behaviour, grouped into weighted cohortsEach customer's own recordCensus or written profiles of a general populationRecruited people
Unit of answerA cohort, weighted by its share of customersOne customerA sample of personasA sample of people
Aims to predict one named personNoYesNoNo; it measures the people it reaches
Needs your customer dataYes, a file exportYes, row levelNoNo, a sampling frame
Time to a first resultMinutes, once cohorts are builtMinutes, once twins are builtMinutesDays to weeks
Best used forRanking options and finding objections, by cohortIndividual next-best-actionEarly reads on a general marketPrecise population estimates and depth

Works with what you already have

What data do I need to start?

Start with a CSV or spreadsheet export of your customer file: one row per customer, with tenure, products held, recent purchases, frequency, spend and last channel if you have them. You map its columns to a small set of feature groups, and direct identifiers are dropped on upload. CRM connectors are planned.

Every engagement is covered by a data-processing addendum, which sets the purpose, the retention period and the deletion terms for your data.

In buildFile upload and column mapping: in build. CRM connectors: planned. Data-processing addendum: being drafted with counsel.

How to prepare a customer file→

What we don't claim

What customer digital twins do not do

Twins do not predict what a named individual will do. They do not replace probability-based research when you need a precise estimate for a population, and they do not replace talking to customers when you need to understand why.

Language-model respondents approximate groups better than individuals, and even then they miss. Pew Research Center's 2026 study of AI stand-ins for survey takers found large errors; our own ledger publishes ours, question by question.

We are building reliability tiers so that thin data, and questions the method handles poorly, are flagged on a result. Until they ship, treat every result as directional and check it against your next campaign.

From Atelier by CrowdOS

Digital Twins powered by CrowdOS

Atelier by CrowdOS is our bespoke services arm for industry, and Digital Twins powered by CrowdOS is its first solution. It is for businesses that want a model of their own: a private cohort crowd, a private calibration layer and, where your data supports it, a small model trained only on your customers and your outcomes, hosted in isolation and deleted when you leave.

By applicationPilots by application. The privately trained model is in build.

About Digital Twins powered by CrowdOS→

Questions

What is a customer digital twin?

A simulated respondent that stands in for a group of your real customers. It is built from that group's behaviour and answers a proposal in words: whether it would take it, what it likes and what it objects to. CrowdOS builds one twin per weighted cohort, not one per person.

How is a cohort twin different from a persona?

A marketing persona is a portrait someone writes. A cohort twin is generated from the measured behaviour of a real group of your customers, weighted by how many customers it stands for, and it can be asked questions and put in a room with other twins.

What data do I need to start?

A customer file export with several thousand rows and at least six usable features, such as tenure, products held, recency, frequency, spend and last channel. Names, emails and other direct identifiers are not needed and are dropped on upload. Our guide to preparing a customer file lists the columns.

Is my customer data used to train AI models?

Your data is used to build your cohorts and run your studies. Whether it may be used for anything else, including calibration on your own campaign outcomes, is set out in the data-processing addendum that covers every engagement. That addendum is being drafted with counsel; we will publish its terms here.

How accurate are the results?

We do not publish an accuracy figure for customer twins. The crowd's public benchmark runs, with every miss, are on our ledger. For your own twins the measure that matters is your campaigns: after a campaign, upload the results and see where the twins ranked offers correctly and where they did not.

Can twins replace a survey or focus group?

No. They are a fast way to narrow a set of options and find objections before you spend on research or media. When you need a precise estimate for a population, use a probability-based survey; when you need to understand why, talk to customers.

Which countries are supported?

Your customer file can come from any country, because the cohorts are built from your own data. The CrowdOS market crowds cover 24 markets, including Singapore, Malaysia, Indonesia, Thailand, the Philippines and Vietnam.

What is Atelier by CrowdOS, and what is Digital Twins powered by CrowdOS?

Atelier by CrowdOS is our bespoke services arm for industry. Digital Twins powered by CrowdOS is its first solution: a private twin model built for one business, delivered as an engagement with a success measure agreed before the work begins.

Contact

Tell us what you want to test

We are working with a small number of design partners. Tell us the decision you have coming up and how your customer data is held today, and we will reply within two business days.

The decision you have coming up: an offer, a message, a product, a price.

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