Stop shortening your prompts. Six agents, 97-99% cache hit rate - and why the standard advice is backwards.
This story is from 2026-08-27. It is preserved in the archive; the latest stories are on the live feed.
Everyone here has read the same advice. Trim the system prompt. Cut the examples. Every token costs money, so use fewer of them. I followed it for months. Then I turned on prompt caching, and the advice inverted overnight. Here is the thing nobody says out loud: once caching works, a long prompt is…
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- 2026-08-27 10:34 · r/AI_Agents
Stop shortening your prompts. Six agents, 97-99% cache hit rate - and why the standard advice is backwards.
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