Notes from the work.

• Architecture3 min readDraft

  Two loops

  The part that learns is slow and expensive. The part that serves has to be fast and predictable. The interesting engineering is the boundary between them.

• Economics2 min readDraft

  Cost per successful task, not cost per token

  Cheap failures are the most expensive thing you can buy.

• Evaluation2 min readDraft

  You can’t prove savings without a counterfactual

  A falling bill doesn’t show that the thing you bought worked. Prices fell too, and the work changed.

Review build — these posts are drafts and haven’t been published.