● Engineering journal

Engineering Journal.

Notes from building Audiala — AI systems, model routing, evals, and what a one-person travel app learns in production.

The Right Answer About the Wrong Place
10 min read

The Right Answer About the Wrong Place

Our travel guide described a real French bunker at a German power station. The source was real. The entity was wrong. Here is the retrieval …

Jev in Production: What Worked, What We Rolled Back, and What We Measured
9 min read

Jev in Production: What Worked, What We Rolled Back, and What We Measured

Audiala's first week with TypeSafe Jev: better candidate ranking, a router rollback, and why cheaper decisions do not automatically make a …

Green Tests, Broken Journeys: Lessons from Building Our Agent Harness
8 min read

Green Tests, Broken Journeys: Lessons from Building Our Agent Harness

Real failures from Audiala's travel assistant: a faster reply with the wrong buttons, guards lost during migration, and partial success …

Small Models in Production: What 100+ Blinded Duels Taught a One-Person Travel App
10 min read

Small Models in Production: What 100+ Blinded Duels Taught a One-Person Travel App

How Audiala routes five model families by workload — and what happened when I peer-reviewed my own eval and fact-checked 406 …

Inside Audiala's Editorial Process: How a One-Person Team Publishes 170,000 Verified Pages
6 min read

Inside Audiala's Editorial Process: How a One-Person Team Publishes 170,000 Verified Pages

The full pipeline behind Audiala's guides — structured research, a strict grounding contract for AI writers, blinded model bakeoffs, and …