Function Calling / Tool Use
A capability that lets a model output structured calls to external functions or tools, enabling agents and integrations.
Related resources
LangGraph
A low-level orchestration framework from the LangChain team for building stateful, multi-step agent workflows with fine-grained control.
The Complete OpenAI API Guide
Learn to use the OpenAI API from scratch, including how to call models such as GPT-4, DALL·E, and Whisper, along with best practices.