What does “Function Calling” mean?

A model's ability to call external tools such as search, calculators, or APIs.

An open protocol that lets AI applications connect to external tools, data sources, and context providers in a standard way.

A software system that can observe, reason, and take actions to achieve a goal, often using tools and memory.

A structured way for one software system to send requests to and receive responses from another system.

A common objective function used to train classification models by penalizing incorrect probabilities.

A collection of structured or unstructured examples used for training, validation, or testing.