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Agents Beginner Also known as: Chiamata di funzione

Function calling

An LLM's ability to output a structured call to a function described in a schema, with name and typed arguments ready to execute.

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In practice

It is the standard way an app wires a model to its own code: the model returns JSON, the app runs the function and feeds the result back. The foundation of almost every production agent.

Related terms

Tool use Structured output Agent MCP

Seen in the wild

3 entries mentioning it
  1. Open WebUI: Tools and Functions bring ChatGPT Enterprise to self-hosting
    High
  2. Cohere Command R+: an enterprise-focused model built for RAG and tool use
    Medium
  3. Function calling: GPT learns to speak JSON
    High
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