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Module 14 · part 5 · shipping it · paid

Cost, Latency, and Which Model Where

This module writes stack/budget.md, which 1 later module read. It is part of the paid course.

You stop guessing what your system costs and measure it across ten real runs. You produce three numbers — per run, per month, and per unit of work actually done — and you find out which step spends the money, which is rarely the step you suspected. Then you change exactly one route, send it back through the check you built in Module 10, and keep the change only if the quality held. You leave with a per-run figure you would be willing to say out loud to somebody paying you.

What it covers
01The Whole Module in One Picturelocked
02What You'll Be Able To Do
03What You Build
04Measure before you optimise
05Where the money actually goes
06Routing: extraction and judgement are different jobs
07Caching and batching, by what they change
08The quality floor
and 17 more sections, plus the lab and 1 prompt.

Working With AI

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Twelve modules, thirteen files. From typing into a box to a working setup you own — no technical background assumed.

The Agentic Stack

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Build AI that acts. Sixteen modules, fourteen files, two tracks, and the rules written down before anything runs.

Both courses

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Twenty-eight modules end to end, in the order they were meant to be read.

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Cost, Latency, and Which Model Where · The Agentic Stack · Praxismith