The Economic World Simulation Engine.

We can simulate any business decision you need to make and 10x your Customer Interview and UX Testing output at a fraction of the cost.

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Watch the demo

Three products, one platform.

Interview real customers, test any experience, and simulate any decision, with real humans, digital twins, or synthetic personas.

Customers

8% may churn

Your decision

Price +10%

Revenue +6% · 64% likely

Competitor

Matches price · 62%

Digital twins

Power users stay

Investors

Margin +4 pts

Press

Backlash story · 34%

Regulator

No action · 91%

Partners

Ask for discounts

Customers

8% may churn

Your decision

Price +10%

Revenue +6% · 64% likely

Competitor

Matches price · 62%

Press

Backlash story · 34%

Regulator

No action · 91%

Partners

Ask for discounts

World Simulation Engine

Simulate any decision before you make it. See how customers, competitors, and markets react, and how likely each outcome is.

Watch demo

AI-Led Customer Interviews

AI runs your customer interviews end to end, with live follow-ups and instant synthesis. Recruit from 30M+ verified people, or bring your own.

Watch demo

AI-Led UX Testing

Watch demo

Drop in a URL, prototype, or Figma file. Real or synthetic users try it and think out loud, so you get insights in minutes.

Watch demo

app.northwind.co

Add an image, video, or connect content

Northwind

Pricing

Choose your plan

Start your 14-day free trial

Work email

you@company.com

maya@northwind.co

Continue

Starter

$19/mo

Up to 3 seats

Pro

$49/mo

Unlimited seats + SSO

3 AI testers running

Friction: billing unclear

First-time user

Power user

Skeptic

Free trial, but do I need a card first?

Need SSO, so Pro. Is $49 per seat?

Am I charged today or after the 14 days?

app.northwind.co

Add an image, video, or connect content

Northwind

Pricing

Choose your plan

Start your 14-day free trial

Work email

you@company.com

maya@northwind.co

Continue

Starter

$19/mo

Up to 3 seats

Pro

$49/mo

Unlimited seats + SSO

3 AI testers running

Friction: billing unclear

First-time user

Power user

Skeptic

Free trial, but do I need a card first?

Need SSO, so Pro. Is $49 per seat?

Am I charged today or after the 14 days?

AI-Led UX Testing

Watch demo

Drop in a URL, prototype, or Figma file. Real or synthetic users try it and think out loud, so you get insights in minutes.

Watch demo

app.northwind.co

Add an image, video, or connect content

Northwind

Pricing

Choose your plan

Start your 14-day free trial

Work email

you@company.com

maya@northwind.co

Continue

Starter

$19/mo

Up to 3 seats

Pro

$49/mo

Unlimited seats + SSO

3 AI testers running

Friction: billing unclear

First-time user

Power user

Skeptic

Free trial, but do I need a card first?

Need SSO, so Pro. Is $49 per seat?

Am I charged today or after the 14 days?

Digital Twins & Synthetic Personas

One interview turns a customer into a digital twin with 70–85% behavioral fidelity. Or generate synthetic personas for any audience, instantly.

Watch demo

Seda · Audiences

SYNTHETIC PERSONAS

DIGITAL TWIN

Describe any audience…

IT buyers at 500+ person firms

3 personas · generated instantly

Priya S.

IT Director · 1,200 staff

Security first

Needs SSO

Dan K.

Procurement · 800 staff

Price-sensitive

3-yr deals

Alicia M.

CIO · 4,000 staff

Consolidating vendors

Maya Chen

Ops Manager · Northwind

Built from 1 interview

82% fidelity

Would you switch tools to get SSO?

Only if migration takes under a week. Our last switch took a month and the team pushed back.

Answered from Maya’s interview

Seda · Audiences

SYNTHETIC PERSONAS

DIGITAL TWIN

Describe any audience…

IT buyers at 500+ person firms

3 personas · generated instantly

Priya S.

IT Director · 1,200 staff

Security first

Needs SSO

Dan K.

Procurement · 800 staff

Price-sensitive

3-yr deals

Alicia M.

CIO · 4,000 staff

Consolidating vendors

Maya Chen

Ops Manager · Northwind

Built from 1 interview

82% fidelity

Would you switch tools to get SSO?

Only if migration takes under a week. Our last switch took a month and the team pushed back.

Answered from Maya’s interview

Seda · Audiences

SYNTHETIC PERSONAS

DIGITAL TWIN

Describe any audience…

IT buyers at 500+ person firms

3 personas · generated instantly

Priya S.

IT Director · 1,200 staff

Security first

Needs SSO

Dan K.

Procurement · 800 staff

Price-sensitive

3-yr deals

Alicia M.

CIO · 4,000 staff

Consolidating vendors

Maya Chen

Ops Manager · Northwind

Built from 1 interview

82% fidelity

Would you switch tools to get SSO?

Only if migration takes under a week. Our last switch took a month and the team pushed back.

Answered from Maya’s interview

What our customers have simulated.

If it’s a decision, you can run it first. A few of the scenarios teams have put through the World Simulation Engine:

Product launches

New brand campaigns

Political campaigns

Competitor brand launches

M&A transactions

Price changes

Churn models

Recessions

Customers, 7 years out

…and more

Watch the simulation demo

Get results in three steps

01

Define your study

Set your research objectives, draft questions, define a UX task or simulation scenario, upload stimuli, or build it together with Seda.

02

Choose your audience

Target real people by age, location, profession, and more, or use your digital twins and synthetic personas.

03

Launch and learn

Launch your study and watch responses come in from our human panel, your own audience, or simulated agents.

Book a call

Three ways to source respondents.

Your audience, our AI.

Share a link with your customers, employees, or prospects, and our AI interviews them at scale.

Your audience, our AI.

Share a link with your customers, employees, or prospects, and our AI interviews them at scale.

Our panel, your questions.

Reach 30M+ verified humans in 130+ countries by role, industry, demographics, or behavior.

Our panel, your questions.

Reach 30M+ verified humans in 130+ countries by role, industry, demographics, or behavior.

Pure simulation.

Run interviews and UX tests on digital twins (70–85% fidelity) and synthetic personas (~70%), even for segments too costly, sensitive, or hard to reach.

Pure simulation.

Run interviews and UX tests on digital twins (70–85% fidelity) and synthetic personas (~70%), even for segments too costly, sensitive, or hard to reach.

Reach out to us!

GET STARTED

Simulate your next decision first.

Book a call

Got questions? Contact us.

Get in touch