Verified70% confidenceFactExact time
Function Calling uses task-specific fine-tuning to enable models to output structured content conforming to a predefined JSON Schema under specific conditions.
4
Sources
70%
Confidence
Long-term
Relevance
7/14/2026
First Seen
Sources
Agent开发从入门到进阶：一本硬核实战书籍全面解析
Related Claims
UnverifiedConstrained output refers to restricting the model to produce only results that conform to predefined rules, common forms of which include fixed-option selection, structured data conforming to a JSON schema, and specific enumeration values.79% similarUnverified提示词工程通过角色定义、输出格式约束（如JSON Schema）、少样本示例等手段约束模型概率性输出79% similarUnverifiedLangChain的with_structured_output方法在底层将Pydantic模型转换为JSON Schema，注入到模型的system prompt或function calling参数中78% similarVerifiedThe principle of Function Calling is that, in addition to generating natural language text during inference, the model can also output structured function-call instructions (JSON containing the function name and parameters).77% similarVerifiedThe basic principle of tool calling is that the model identifies scenarios requiring external capabilities, outputs a structured function call request (usually in JSON format), and after the external system executes it, the result is returned to the model to continue reasoning.75% similar
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