For patients

Bring CHAI to your clinic.

Your labs, care plan, wearable data and symptoms tell a connected story. CHAI brings it together in a daily briefing you and your clinician can use. Help bring CHAI to your clinic with a personalized letter.

Status: We’re preparing our first clinic deployments. CHAI runs daily on its founder’s record, and clinics can request a demonstration now.

Your day. Your questions. Your care team. Together in CHAI.

A daily briefingWhat changed since yesterday, the one thing to do today, and why, from your own record.
Ask about your own labsAsk about your results in everyday language. See the lab dates and values behind the answer.
A quick morning check-inWhat synced overnight from your watch or ring, what didn’t, and how the morning feels.
Follow-up that knows your planDose confirmations, lab reminders and follow-up questions in the app, with fewer reminders when you don’t respond.
The Centurion ClockSee your estimated biological age, its range and the factors shaping it. Powered by the Centurion Clock, blended with PhenoAge.
Your clinician sees all of itAnything that needs your clinician goes to them, and you can message your practice from Today. Read CHAI’s updates and practice replies inside the app. Clinical decisions stay with your clinician, and changes are applied only by your clinic’s team.
CHAI morning brief with today's read, vitals tiles and the lab read
The daily briefing · Follow-up, in the app
Ask CHAI answer on a synthetic patient: markers that worsened in the last 90 days, with a table of draws
Ask about your labs
Today at noon on the sample member's phone: the noon check card, two morning doses still unconfirmed and the check-in question
Follow-up, in the app

Screens from CHAI’s demo practice, with synthetic patients. Running a hormone or performance protocol? See hormone therapy and fitness and sleep.

How CHAI comes to your clinic.

  1. Ask your clinicCreate a personalized letter to share with your clinician, or ask us to send it on your behalf.
  2. Your clinic brings in CHAIWe set up the practice and train the team.
  3. Priority patient onboardingWhen your clinic launches CHAI, patients who requested it receive priority onboarding and guided setup.
  4. Your first morning readOnce your data syncs, CHAI starts reading your record every morning.

Priority onboarding. When your clinic launches CHAI, the patients who asked for it are onboarded first.

Bring CHAI to your clinic.

Add your details to create a letter for your clinician. Send it yourself or ask CHAI to send it with you copied.

You

Your clinic

How should the letter reach them?

Please don’t include any health information. Your letter includes your name, email, any phone number you provide, and the clinic or clinician details you enter.

We use these details to prepare your letter and carry out the contact options you select. Privacy.

Your letter updates as you type

Subject:

Interested in CHAI without a clinic?

Leave your email and we’ll let you know if individual access becomes available.

We use your email only to tell you about individual access. Privacy.

Questions.

Can I use CHAI without a clinic?

CHAI is currently offered through clinics. If you don’t have one, join the interest list and we’ll let you know if individual access becomes available.

What does it cost?

Your clinic will explain pricing when it offers CHAI. Creating a letter here is free.

What do I need?

An iPhone with Apple Health. The free CHAI app will be distributed through the App Store, and your login is set up for you when you’re onboarded. Apple Watch works directly; Oura and Whoop work through Apple Health. Android isn’t supported yet. We also set up secure private-network access on your phone, and CHAI’s messages arrive in the app.

Who sees my data?

You and your clinic’s team. The services that run CHAI (such as hosting, AI processing and email delivery) process it to provide the service. Your data is never sold or used to train AI models. How CHAI handles data.

Will you contact my clinic?

Only if you choose “Send it for me” or tick the follow-up box. We mention your name and nothing about your health.