Unverified50% confidenceSolutionExact time
To maximize prefix reuse, stable, unchanging content (system prompts, tool schemas) should be placed at the beginning of the prompt, with variable content placed at the end.
1
Sources
50%
Confidence
Long-term
Relevance
9/23/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe general principle for achieving cache hits is to keep the prefix of the request context as stable as possible, placing fixed content such as system prompts and tool definitions at the very front, with per-turn user input appended at the end.77% similarUnverifiedPreferences, background, and commonly used formats can be codified through system prompts or custom instructions, avoiding the need to repeat them every time.75% similarUnverifiedTo maximize cache hit rate, stable content (system prompts, file contents) should be placed at the prefix of the prompt, with dynamic content appended at the end74% similarUnverifiedGenerating in segments and providing more detailed prompts and references yields more consistent commercial-grade results.69% similarUnverifiedRe-Prompt adopts the text-space optimization (hard prompt) approach, which is the technical prerequisite for its ability to provide interpretable change logs.67% similar
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