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Function Calling

A capability that lets language models interact with external tools and APIs by generating structured function calls.

Definition

A capability that lets language models interact with external tools and APIs by generating structured function calls. Instead of just producing text, the model can request to search the web, run code, query databases, or use any tool you define. Key enabler for AI agents and tool use.

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Related Terms

AI Agent

An autonomous AI system that can perceive its environment, make decisions, and take actions to achieve goals.

Tool Use

The ability of AI models to interact with external tools and systems — browsing the web, running code, querying APIs, reading files.

Activation Function

A mathematical function applied to a neuron's output that introduces non-linearity into the network.

Adam Optimizer

An optimization algorithm that combines the best parts of two other methods — AdaGrad and RMSProp.

AGI

Artificial General Intelligence.

AI Alignment

The research field focused on making sure AI systems do what humans actually want them to do.

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