Meet: Lookalike LLM

Meet: Lookalike LLM

Replicate your best decisions with AI

Leaders across recruiting, sales, private equity, and more use Harper to replicate their best bets.

About

About

About

What if your best decisions could be quantified?

Harper identifies the patterns behind your best decisions — and helps you make them again.

Enterprise-grade data privacy

Harper runs on the data you already own — with strict privacy, encryption, and compliance baked in. Your insights stay yours.

Transparent, controllable AI

No black boxes. Harper gives you full visibility into how decisions are made — with workflows you can audit, control, and refine.

Plug in and prove ROI fast

Harper integrates with your existing tools and data, delivering measurable impact from day one — no long ramp-up, no guesswork.

FAQs

FAQs

FAQs

We’re here to help

Check out our FAQs below.

What kind of root data do I need to use Harper?

How are you different from Apollo or Clay?

How does Harper determine what contacts are "lookalikes" to your own first party data?

What kind of root data do I need to use Harper?

How are you different from Apollo or Clay?

How does Harper determine what contacts are "lookalikes" to your own first party data?

What kind of root data do I need to use Harper?

How are you different from Apollo or Clay?

How does Harper determine what contacts are "lookalikes" to your own first party data?

Contact Us

Contact Us

Contact Us

Let's talk about supercharging your growth

Hop on a call with the CEO to see how Harper can accelerate your growth.

Harper

Replicate your best decisions with AI.

Harper

Replicate your best decisions with AI.

Harper

Replicate your best decisions with AI.