← Lumen

Build journal

Four pieces on how Lumen was built — the safety architecture, an API that died mid-project and made the product better, and what it takes to actually test an AI product's behaviour.

  1. Part 1 · 3 min read

    I built a health AI that refuses to tell you what's wrong with you

    Read→
  2. Part 2 · 3 min read

    The drug interaction API I planned to use had been shut down. It made the product better.

    Read→
  3. Part 3 · 4 min read

    I wrote 30 tests for an AI product, then broke it on purpose to check they worked

    Read→
  4. Part 4 · 2 min read

    Lumen is live

    Read→