Expired50% confidenceFactExact time
OpenAI's System Prompt mechanism allows developers to inject persistent behavioral instructions before a conversation begins.
1
Sources
50%
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
Hands-On Tutorial: Build an AI Agent from Scratch with 200 Lines of Python
bilibili跟着李迟学AI6/11/2026
Related Claims
UnverifiedA 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.80% 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 conversation77% similarVerifiedOpenCode's rules files are essentially a 'system prompt persistence' mechanism that can pre-inject project conventions into the model's working context75% similarUnverifiedOpenAI自GPT-4起引入了结构化的Function Calling机制，允许模型在对话中动态决定何时调用哪个工具、传入什么参数，并将结果整合回答复中75% similarUnverifiedOpenCode features a Plan Mode that can provide a detailed implementation plan before execution and proactively ask questions.74% similar
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