Unverified50% confidenceSolutionExact time
Important instructions should be placed at the beginning of the system prompt or at the end of the user message, rather than buried in the middle of background material.
1
Sources
50%
Confidence
Long-term
Relevance
9/15/2026
First Seen
Sources
Related Entities
Related Claims
Unverified系统提示词由开发者预先写定，从对话第一轮到最后一轮始终原封不动地置于上下文最前端72% similarUnverifiedThe 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.66% similarUnverifiedSystem prompts generally hold the highest priority in the model's attention mechanism because they appear earliest in the context window, allowing injected instructions to override rules set by subsequent users or agents.65% similarUnverifiedWhen resources are limited, it is recommended to disable the prompt reverse-engineering module or switch to external tools such as Doubao to generate prompts.64% similar
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