Newsletter

One useful thing, every Tuesday.

A single breakdown a week from live engagements: what we shipped, what broke, and what we would do differently. Five minutes, no filler, unsubscribe whenever.

Past editions

№ 018

The model got cheaper. Your architecture did not.

Why per-token savings rarely show up on the invoice, and the three places the cost actually sits.

12 August 2026
№ 017

Everyone is measuring the wrong adoption number

Logins are not usage, and usage is not value. A better metric, and how to instrument it.

5 August 2026
№ 016

What we got wrong about agent hand-offs

A postmortem on a routing design that looked elegant and quietly lost context at every boundary.

29 July 2026
№ 015

Procurement is your real latency budget

The technical work took five weeks. Access took eleven. How to run those in parallel.

22 July 2026

Reading is good. Shipping is better.

If a breakdown lands close to a problem you actually have, tell us about it.