Stuart Jeff logo

Stuart Jeff

Archives
Log in
Subscribe
June 25, 2026

New essay: Stop paying your best model to type

A new piece is up on the site.

I drained a hundred-task prototype under three model policies and priced every task against my own telemetry. Routing a cheaper model — Sonnet on the workers that do most of the typing — while keeping a strong one (Opus) on verification came in at $1.66 a task: about a third of running Opus on everything, at the same 100% first-pass rate. The newest, most expensive model cost the most per task, for a structural reason that has nothing to do with how good it is.

Then the finding turned into a feature: wood-fired-tasks now routes models by pipeline role and by task size.

Read the full essay →

Don't miss what's next. Subscribe to Stuart Jeff:
Older → You can't ask an agent to log itself

Add a comment:

Posting this comment will subscribe you to this newsletter with the email address you enter.
www.stuartjeff.com
LinkedIn
GitHub
www.wikidata.org
www.mobygames.com
Powered by Buttondown, the easiest way to start and grow your newsletter.