# Source: https://developers.openai.com/resources/guide/function-calling-guide.md

# Function calling guide

> Introduction to function calling with OpenAI models.

- Type: Guide
- Tags: tools
- URL: https://platform.openai.com/docs/guides/function-calling
- Created: 2025-08-03
- Updated: 2025-08-13

## Summary
Function calling guide. function calling, tool calling