AI, a coach and a clinician: how each layer of support adds up

Most of us have more data about our bodies than ever, and less help making sense of it. Tempest is built around a simple idea: the right support comes in layers, and each layer should do what it's best at.

Layer 1: AI that watches

Software is good at things people find tedious. Tempest's AI:

looks at your data every day, without getting bored
learns your own normal, so it compares you with you
connects your numbers to what you've told it: busy weeks, travel, training, goals
finds patterns in your own history, and shows the evidence
suggests one small experiment, and follows it up honestly
remembers what worked, in your words, on a page you control

The calculations behind it are fixed, tested rules; the AI's job is to explain the results in plain English. What it can't do is weigh up your whole life the way a person can, motivate you on a hard week, or give medical advice. It's built never to try.

Layer 2: a coach who knows you

On the Coached plan, a real person adds what software can't:

judgement: knowing when the data says one thing and your life says another
a plan that fits around work and family, not an ideal week you'll never have
accountability, encouragement and the occasional nudge
a check on the AI: your coach reads every message it drafts for you before it's sent

Coaches help with fitness and everyday habits. They aren't doctors and don't give medical advice.

Layer 3: a clinician, when it's needed (planned)

Further ahead, we're planning an optional premium layer with blood tests and a clinician. A clinician can look at things a watch can't measure, and answer medical questions that neither the AI nor a coach can. Tempest itself will never diagnose: when medical judgement is needed, it comes from a qualified person.

This layer isn't part of Tempest yet. Until it is, if something worries you, the right place is your GP or NHS 111, and in an emergency, 999.

How it fits together

Say your sleep has been shorter than usual for three weeks.

The AI notices it's outside your normal, sees that it lines up with late training sessions, shows you the evidence, and suggests finishing earlier for a week.
Your coach helps you rearrange your training week so the change actually sticks, and checks in on how you feel.
If you still feel run down despite the changes, that's the point to involve a clinician: your GP today, and in future, Tempest's clinician layer.

What stays the same at every layer

It describes your data; it doesn't diagnose.
It compares you with your own normal, not an average person.
You can see what's remembered about you, change it or delete it.
On Coached, a person reads every message before you get it. On every plan, anything that sounds like a health concern stops the coaching and points you to real help.

Tempest describes your own data; it doesn't diagnose or treat anything. If you're worried about your health, speak to your GP or call NHS 111. In an emergency, call 999.