Counterpart
Sign in

The art of the conversations that matter.

Most of us were never taught how to have the conversation that decides the outcome — the job interview, the performance review, the difficult diagnosis, the first date, the negotiation. Counterpart is a deliberate-practice environment for those conversations, with an AI counterpart that holds a position and reacts the way a real person would.

Why it works

🎙️
Real voice

Your counterpart speaks with a distinct voice for every character. Speak back — or type.

📷
Body-language read

The app notices what you notice last — posture, pacing, eye contact — and mirrors it back.

🧠
A counterpart with reasons

They hold positions because they have reasons. They get warmer when you listen, colder when you pitch too early.

📊
Honest report

Not a score. A reading of where you grew, where you missed, and what to try next time.

What you're actually practicing

You cannot read your way to better conversations. You have to rehearse them — with stakes, with friction, with someone who won't be nice to you for free.

Counterpart trains four reflexes: noticing sooner, tolerating discomfort, making specific moves in real time, and repairing when you miss. The scores are downstream of those reflexes. The growth is in the rehearsal — in the uncomfortable moments where you notice you were about to do the easy thing, and chose the harder one.

Becoming better in conversation is becoming more capable of being a person with other people. That is the whole game.

What you'll practice

💬Persuasion
Win genuine alignment

Move a trusted expert from polite skepticism to specific, written commitment.

🩺Medical
Deliver hard news with care

Name what is true in plain language, and hold the silence that follows.

🤝Negotiation
Hold without damaging the relationship

Say 'no' without saying 'screw you' — and leave with something renewable.

Sign in to start

Use Google, or create an account with email.

or

Sign in with email