Core AI Technology

Function Calling

Updated on July 1, 2026

Definition: Function Calling is a capability of AI models where the model can generate structured API calls to external tools or functions based on user prompts. It enables AI to interact with real-world systems and perform actions beyond text generation.
Category: Core AI Technology
Related terms: Tool Use / Function Calling Tool Calling

Deep Dive: Function Calling

Function Calling is a capability of AI models where the model can generate structured API calls to external tools or functions based on user prompts. It enables AI to interact with real-world systems and perform actions beyond text generation.

Business Value & ROI

Why it matters for 2026

Implements function calling to unlock new capabilities that weren't possible with previous-generation AI architectures.

We stay at the cutting edge of function calling to give our clients first-mover advantage with the latest AI capabilities.

Production-Ready Guardrails

The Semantic Network

Tool Use / Function Calling Tool Calling

Implement Function Calling in your business.