Expired80% confidenceFactExact time
In large language model API calls, messages are divided into three roles: system, user, and assistant, with the system prompt having the highest priority.
10
Sources
80%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 9/30/2026(expired)
Sources
4 Steps to Simulate the Claude Fable 5 Workflow Using System Prompts
bilibili沐晨AI笔记6/14/2026
Related Claims
UnverifiedIn API calls, the system prompt is passed in as a distinct message role (role: system), carries higher instruction priority than ordinary user messages, and persists throughout the entire conversation.80% similarUnverifiedLLM交互模型中输入分为系统提示、用户消息和助手回复三个层次，系统提示处于最高优先级并在整个对话中持续生效75% similarUnverifiedThe system prompt is the highest-priority instruction layer in large language model conversation architecture, injected before user messages and influencing how the model processes all subsequent inputs.74% similarUnverifiedAnthropic's Messages API uses a separate 'system' field for system prompts and explicitly distinguishes 'user' and 'assistant' roles in the message body.73% 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.72% similar
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