Verified65% confidenceFactExact time

Starting from GPT-4, OpenAI introduced Function Calling (later renamed Tool Calling), where developers pass tool schemas to the model as JSON and the model returns structured invocation instructions.

3

Sources

65%

Confidence

Long-term

Relevance

7/12/2026

First Seen

Sources

Getting Started with LangGraph: Building AI Agent Workflows with Graph Structures

bilibili吴恩达LLM7/10/2026

Related Claims

UnverifiedIn June 2023, OpenAI standardized tool-calling capabilities through the GPT-4 API for the first time, establishing a unified JSON Schema specification for tool calls, which Anthropic, Google, and others subsequently followed.79% similar

Cite This Claim

Stable URI

https://kongchang.com/claim/488821

API

curl https://kongchang.com/api/v1/knowledge/claims/488821

MCP

get_claim(id=488821)