A bank of soft clouds against a vivid blue sky

Simulate any experiment. Ship the winner.

AI agents that predict experiment outcomes in minutes.

Backed byY Combinator

Connect once, then test everything.

01

Connect your data

Works with Clarity, PostHog, or any session tool. Don't have one? Use ours.

02

Build your population

Thousands of agents, each with the habits and drop-off rates of a real cohort.

03

Run the experiment

Test any variant before a human sees it. Lift and confidence intervals in minutes.

Agents grounded in real user behavior.

Simulated users skim, hesitate, and abandon carts at the same rates your real users do.

Built from your last 90 days of sessions

Refreshed nightly

No session data leaves your account

Anything you would normally A/B test.

If it ships to users, run a simulation first.

Pricing & packaging

See which cohorts churn before any of them can.

Onboarding flows

Cut steps and watch predicted activation move.

Copy & messaging

Twelve versions in an afternoon.

Feature launches

Who notices, who adopts, who gets stuck.

Checkout & funnels

Find the leak, test fixes until it stops.

Redesigns

Size the launch dip before you commit.

Experiment as fast
as you can build.

We’re onboarding a small group of teams this summer.

Backed byY Combinator