Unverified50% confidenceFactExact time
系统提示词通常以特殊的角色标记（role: system）注入到对话历史的起始位置
1
Sources
50%
Confidence
Long-term
Relevance
7/9/2026
First Seen
Sources
Related Claims
UnverifiedThe so-called conversational memory is essentially the application layer concatenating historical messages into the prompt before submitting it to the model, with state management handled by the client or an intermediate layer.69% similarUnverifiedThe System Prompt is injected by developers before a conversation begins, declaring to the model its identity, behavioral boundaries, and reply style, and is placed at the very front of the context window in each conversation69% similarUnverifiedIn multi-turn conversations, the System message sets the behavioral tone and constraints, the user message represents user input, and the assistant message is the model's historical replies.65% similarUnverifiedThe system prompt is injected before the conversation begins, defining the model's behavioral boundaries, personality characteristics, and output specifications, and is typically not visible to end users.64% similarUnverified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62% similar
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