Unverified50% confidenceFactExact time
The system prompt is a special instruction passed separately from user messages in a conversation API, usually located at the very front of the message list, and in OpenAI's Chat Completions interface it corresponds to the message whose role is "system".
1
Sources
50%
Confidence
Long-term
Relevance
10/31/2026
First Seen
Sources
From Principles to Practice: A Complete Guide to Understanding AI Agents and the ReAct Pattern
bilibiliCVPR论文10/31/2026
Related Entities
Related Claims
UnverifiedA Chat Model takes a list of messages as input and outputs a structured message object AIMessage, corresponding to classes such as ChatOpenAI and ChatAnthropic.74% similarUnverifiedIn traditional interfaces such as OpenAI Chat Completions, messages with the system role are usually conventionally placed at the very front of the message array, as the global setting for the entire session.74% similarVerifiedThe 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.73% similarVerifiedA System Prompt is a hidden instruction layer deployed before the user-visible conversation, pre-configured by developers to set the boundaries of model behavior, and remains in effect throughout the entire conversation.73% similarVerifiedA Prompt is the instruction text that a user or system inputs to a large model, determining how the model understands the task and the quality of its output.71% similar
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