How to use Anthropic's prompt caching effectively

Where caching saves, where it wastes, and what most teams get wrong

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What's going on

Caching can save 20-40%. Most teams wire it wrong and get 5%. Here's the correct setup — and what caching alone can't touch.

What to do about it

Three patterns dominate the waste on most Claude workloads: (1) context re-sending; (2) retry loops on validation failures; (3) agent-chain re-reads. AIUsage's audit identifies which is eating your bill and projects what you'd save — no signup required for the number.

The fastest path to your real number: paste your last 30 days of Anthropic usage at aiusage.ai. Under two minutes. If your expected delta is under 40%, the audit says so and you walk.
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