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Posts tagged #prompt-caching

A mix of technical deep-dives, career reflections, and dispatches from the road.

tag: #prompt-caching
Prompt Caching: Your Prompt's Prefix Is a Cache Key thumbnail
AIOct 30, 2026· 4 min
Prompt Caching: Your Prompt's Prefix Is a Cache Key
Prompt caching can cut repeated input costs by around 80%, but only if your prompt is ordered so the stable parts come first. Here's how it works and the mistakes that quietly break it.
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