Unverified50% confidenceFactExact time
Anthropic's Messages API uses a separate 'system' field for system prompts and explicitly distinguishes 'user' and 'assistant' roles in the message body.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026
Sources
Local Deployment of Claude Code: Principles and Practical Guide for Three Approaches
bilibiliAI大模型_小奕6/10/2026
Related Claims
UnverifiedAnthropic 的 Messages API 将 system 消息作为独立的顶层参数传递，而非放在 messages 数组中；工具调用使用 tool_use 和 tool_result content block 类型。80% similarUnverified在API调用中系统提示作为独立的message角色（role: system）传入，具有比普通用户消息更高的指令优先级，并贯穿整个对话78% similarUnverifiedAnthropic使用Messages API并引入了独特的system prompt处理方式78% similarVerified在大型语言模型的API调用中，消息分为三种角色：system、user和assistant，其中system prompt具有最高优先级。73% similarUnverifiedAnthropic Claude 将 system 字段独立于 messages 之外作为顶层参数传入，而 OpenAI 将系统提示作为 messages 数组中 role=system 的一条消息72% similar
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