Unverified50% confidenceFactExact time
工具调用的底层依赖函数签名描述（Function Schema），模型在推理时决定是否触发调用、传入参数，由宿主程序执行并将结果回注上下文
1
Sources
50%
Confidence
Long-term
Relevance
7/11/2026
First Seen
Sources
The Three Eras of AI Agents: The Capability Leap from Tool Calling to Autonomous Orchestration
youtubeTheo - t3․gg7/10/2026
Related Claims
VerifiedThe underlying implementation of Function Calling does not involve the model actually executing a function; instead, the model outputs a structured description of the calling intent, and the host program actually dispatches the execution and returns the result to the model.81% similarUnverifiedTool calling allows models to dynamically invoke external functions during inference and incorporate execution results into the context of subsequent reasoning, forming a closed loop of perception, decision-making, and execution.80% similarVerifiedCodex relies on the Function Calling mechanism at its core, allowing the model to declare the need to invoke a specific tool during inference.78% similarUnverified函数调用中模型本身无法主动执行代码，仅识别意图并生成符合函数签名的结构化参数，实际执行由调用方负责74% similar
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