Agent Cost Caps and Budget Controllers (ANSWERED)
Medium AI Agents interview question on agent cost caps and budget controllers — architecture, trade-offs, eval, and production patterns.
TL;DR — Quick Answer
Track token and tool cost per run; set per-user and per-task budgets; degrade to cheaper models or fewer iterations when caps approach. Hard-stop runaway loops before they exhaust API budget.
The Interview Question
Explain agent cost caps and budget controllers. How would you apply this when building production AI agents? Cover architecture, safety, and evaluation.
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