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Your agent's token bill is exploding. How do you control the cost of a multi-step agent?

Agents re-send growing context every step, so cost scales worse than linearly. The signal is knowing where the tokens go and the levers (caching, model routing, context trimming, step caps) that cut the bill.

Updated Aug 2026 · Grounded in real Applied AI Engineer interview loops and written to a senior-engineer editorial bar.

Agents re-send growing context every step, so cost scales worse than linearly. The signal is knowing where the tokens go and the levers (caching, model routing, context trimming, step caps) that cut the bill.

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