Unverified50% confidenceSolutionExact time
Explicitly writing instructions such as "if uncertain, please say you don't know" into the system prompt is a method of explicitly constraining model behavior.
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50%
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Long-term
Relevance
9/28/2026
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Related Claims
UnverifiedSystem prompt adherence is not a hard constraint but a probabilistic tendency; models may ignore system instructions when user input creates a semantic conflict with the system prompt.77% similarUnverified该系统在提示词中明确要求模型只能使用提供的上下文作答，答案不在上下文中时直接回答不知道，而非凭训练记忆编造76% similarVerifiedExplicitly instructing the model via prompt to answer only based on the provided context and to respond with "I don't know" if the answer is not present can mitigate hallucination (grounding).75% similarUnverifiedWhen constraining output format through prompts, the model may forget these constraints in long conversations or complex reasoning scenarios.74% similar
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