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Budgets: stop a run before it costs you

Hard spend ceilings per run, and why the planner should know about them before it starts.

Lena ParkSep 12, 2026 ยท 4 min readXin
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A budget is a promise the planner can keep. Give it a ceiling in dollars and steps, and it will trim the plan before the first tool call.

Lena ParkWrites about reliability, evals and the boring parts of shipping agents.

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