Journal

Notes on AI products built to endure.

Essays from the studio on designing, building and running AI products that people trust.

  1. Engineering / 4 min

    Look at the data: evals for AI products

    Most AI features fail quietly, in ways no dashboard predicted. The fix is unglamorous: read real outputs, name the failures, and measure only those.

  2. Strategy / 3 min

    Start with a workflow, not an agent

    Agents are the most exciting pattern in AI products, and often the wrong first one. Why we begin with the simplest system that could work, and when we graduate.

  3. Design / 2 min

    Design is the interface to the model

    Two products can call the same model and feel nothing alike. The difference is almost never the prompt. It is the design around it.

  4. Engineering / 1 min

    Build for the next model, not this one

    The model you launch on will not be the model you run in a year. A few architectural habits keep that change cheap.

  5. Strategy / 1 min

    When a feature should not use AI

    Part of designing AI products well is knowing where a model does not belong. Four signs we look for before reaching for one.