Expired50% confidenceFactExact time
The system prompt is placed at the top of the messages list on every API call, identified by role: system.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/4/2026
First Seen
Valid until: 10/2/2026(expired)
Sources
从零搭建AI Agent：用Python实现对话智能体核心功能
bilibili川府于瑾年7/2/2026
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.74% similarVerifiedIn large language model API calls, messages are divided into three roles: system, user, and assistant, with the system prompt having the highest priority.68% similarUnverifiedSystem Prompt具有最高指令优先级，对话框中的内容为User Prompt，AI会优先遵循系统提示词68% similarUnverifiedmessages参数是一个数组，每条消息包含role和content两个字段，常见角色包括system和user64% similarUnverifiedMessage State内部维护一个消息列表，新消息通过Reducer策略默认以追加模式合并到已有列表中63% similar
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