https://jamesm.blog/tags/prompt-cache/ Recent content in Prompt-Cache on jamesm.blog https://jamesm.blog/papermod-cover.png https://jamesm.blog/papermod-cover.png Hugo en Sat, 09 May 2026 08:00:00 +0100 https://jamesm.blog/ai/prompt-caching/ Sat, 09 May 2026 08:00:00 +0100 https://jamesm.blog/ai/prompt-caching/ What prompt caching actually is, why it is the highest-leverage performance and cost optimisation available to most LLM applications, and the patterns that determine whether you get a 90 percent cost reduction or no benefit at all.