Archive
AI
Model selection, agent plumbing, and the economics of it.
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If AI replaces everyone, who is left to buy the product?
We costed out replacing two support seats with a model, then spent months checking whether the demand argument against it holds. The Ford story is wrong, the labour share numbers are real, and the answer is narrower than I expected.
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Which model for which job: what we actually run, and what it costs
A routing guide from a backend team that pays its own API bill: which model we use for refactors, review, classification, long PDFs, on-prem work, and agents, with the arithmetic.