Context Caching
When every request starts with the same long instructions, a service can reuse its work on that prefix. It pays off only if the prefix really is identical.
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Optimizing AI Applications for Cost and Latency
A cheaper model, a cache, and shorter context each trade quality, latency, and cost. Price failures, read tails, budget evaluation, and compare configurations on shared cases.
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Controlling AI Cost per Successful Task
A cheaper model call does not mean a cheaper result. This guide defines cost per successful task, models what retries, caching, routing, and human review do to it, and shows a simulation where cost per request falls while cost per success rises.