Unverified50% confidenceFactExact time
Tools calling (Function Calling) allows a model to actively trigger predefined functions during a conversation and incorporate the results into its response, and was released by large model vendors earlier than MCP.
1
Sources
50%
Confidence
Long-term
Relevance
9/15/2026
First Seen
Sources
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Related Claims
UnverifiedA single function-calling process requires at least two large model invocations—one to decide which tool to call, and one to interpret the result returned by the tool.77% similarUnverifiedFunction Calling采用关注点分离设计，语言模型只负责决策，真正的工具执行由应用层代码负责，模型不直接触碰外部系统76% similarVerifiedFunction Calling is the core mechanism for large models to interact with external systems, allowing the model to call predefined functions after identifying user intent.75% similarUnverifiedStreaming inference capability allows the model to begin generating a response before the user has finished speaking, enabling natural conversation in a think-as-you-speak manner.73% similarUnverifiedThe tool-calling mechanism allows large language models to dynamically invoke external functions during inference, representing a fundamental leap from language models to action models.73% similar
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