Unverified50% confidenceFactExact time
Multiple tool_use blocks may appear simultaneously in a single Claude API response, meaning the model can request parallel calls to multiple tools in one turn.
1
Sources
50%
Confidence
Long-term
Relevance
10/24/2026
First Seen
Sources
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Related Claims
UnverifiedThe Responses API supports orchestrating multi-step reasoning and tool calls within a single API call, eliminating the need for the client to manually manage intermediate state.73% similarUnverifiedThe scope of forced tool calling (tool_choice) is a single generation (completion) rather than the entire session, so it must be re-specified on every call to the model.72% similarUnverifiedcall_id的设计是为了支持并行工具调用（Parallel Tool Calls），模型可以在一次响应中同时发起多个工具调用72% similarUnverifiedThe results of multiple parallel tools should be returned together in a single user message so that the model can see all the results within one turn.71% similarUnverifiedWhen an API response contains multiple content blocks (thinking, text, tool_use), Claude Code writes one assistant record for each content block; these records each have an independent uuid but share the same message.id and an identical usage object.71% similar
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