Expired50% confidenceFactExact time
Anthropic's Messages API passes the system message as a separate top-level parameter rather than placing it in the messages array; tool calls use the tool_use and tool_result content block types.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Claude Code Installation Guide: Complete Tutorial for Connecting to the DeepSeek Model
bilibili小柚子llk6/19/2026
Related Claims
UnverifiedAnthropic's Messages API uses a separate 'system' field for system prompts and explicitly distinguishes 'user' and 'assistant' roles in the message body.80% similarUnverifiedIn 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% similarUnverifiedThe code execution tool can be integrated by adding a tools block to the existing Messages API74% similarUnverifiedAnthropic使用Messages API并引入了独特的system prompt处理方式73% similarUnverified在LangChain框架中，Tool调用结果通过ToolMessage对象追加到消息链71% similar
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