Cradle-to-grave digital twin

One twin. Every chapter.

Eidolon builds an AI twin that learns who you are from infancy through adulthood — and represents you when you cannot represent yourself. Eleven specialised products. One shared twin that grows with you.

3 live · 3 in early access · 5 on the way
Your twin's record
  • Started observing Aug 2014
  • First nursery observation Sep 2018
  • Began Year 7 Sep 2025
  • Started university research Oct 2031
  • First professional role Aug 2034
  • … and onward
12,847 entries · 18 years · always yours

Eleven products. One shared twin.

Each product is built for a specific life stage or domain. They all feed the same digital twin — so what your twin learns at nursery is still there at university, and what it learns at work is still there in retirement.

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Early access

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Grows with you. Stays with you.

Most software forgets between sessions. Eidolon doesn't. Every conversation, every observation, every correction adds to the same record — the one that has been growing since the day you started using us.

The twin's knowledge of you grows monotonically. Its reasoning capacity is bounded only by the underlying model, which itself improves over time. Its values, once constitutionally established, do not drift.

What the twin can do for you grows with what it knows. At the start, it observes. Over time, it advises. Eventually — when you give it permission, and only then — it can act on your behalf.

Read the full principle →
The twin grows alongside you — so that, when you choose, it can carry your will forward as your faithful agent.
— The Eidolon principle, held since 2014

Built for the long haul, not the news cycle.

A twin that has to last 80 years cannot be built like a chatbot. These are the architectural commitments that make cradle-to-grave possible.

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Observes — doesn't collect

Other platforms (Google, the big chat assistants, your CRM) ingest your data into their pipelines. Eidolon observes you as you work, and the resulting record lives in storage you own. Inspect. Export. Delete. Anytime.

🏠

On-premise AI

Personal runs the model on your laptop. Institutional products run it on your infrastructure. Data never has to touch a third-party API to get an answer.

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Calibrated by default

Every belief carries a confidence score. Decisions made under low confidence are flagged for human review. The twin never asserts something with the same weight as something else.

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Strongly advises — and learns from disputes

If an instruction conflicts with your accumulated values, the twin will say so — clearly. And when it gets an observation about you wrong, you push back. The twin learns from the disagreement. It's a conversation, not a black box.

Persists across sessions

The twin remembers. Every conversation, every observation, every correction adds to the record. There is no "session expired" — there is only the person, accumulating.

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Travels across stages

What your twin learned in nursery is still there at school. What it learned at university is still there in your career. The twin is the person — not the product.

1

UK + EU hosted

Institutional products run on infrastructure inside UK and EU jurisdictions. Personal runs on your machine.

2

Schema-isolated tenants

Each customer gets a dedicated database schema. No "tenant_id column" multi-tenancy. Data is physically separated.

3

GDPR-aligned by design

Consent machinery, controller/processor boundaries, and data minimisation are architectural — not retrofitted.

4

Open-by-inspection

The twin's beliefs about you are inspectable. You can see what it thinks it knows — and correct it.

Start with Personal.

Eidolon Personal is your laptop's twin — a private instance that runs locally, owns your record, and accompanies you across every other Eidolon product. The entry point to the family.

Get Eidolon Personal
Or browse our institutional products: Nursery · ABS ↗ · Research · University