August 4, 2026 · 5 min read
I split a day of development across two AI subscriptions: judgment on the Anthropic meter, typing on Moonshot's. Five merged PRs later, here is where the tokens went, how K3's pricing actually compares, and how I'm tuning the mix.
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June 28, 2026 · 6 min read
GitHub Actions' default minute allowance is priced for a team that types at human speed. At agent velocity the bill breaks before the engineering does. Here is how a forced workaround, a local CI mirror plus local deploys, became the bet…
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June 26, 2026 · 10 min read
Prompt caching looks like a flag you flip for a cheaper bill. It is really the reuse of a stored prompt prefix, governed by three rules, and applying it across four parts of my own system showed where it pays, where it quietly does nothi…
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June 13, 2026 · 5 min read
Four days after I said goodbye to Opus, an export-control directive pulled Fable 5 offline and the fallback became the workhorse again. What I shipped in the window, what it cost, and the model-tiering plan for when Fable comes back.
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