A visual flowchart shows OpenAI’s AgentKit with nodes like “Start,” “Customer lookup,” and “Analyze bills.” The background is a soft blue-orange gradient. Bold text reads: “OpenAI Just Dropped AgentKit: All-in-One AI Agent Stack.”

OpenAI Launches AgentKit for Building AI Agents – Here Is All You Need To Know

On October 6 at its 2025 Dev Day, OpenAI unveiled AgentKit—a powerful new toolkit for building, deploying, and optimizing AI agents. Released alongside ChatGPT Apps and the general launch of Codex, it marks a major step in turning ChatGPT into a full development platform. AgentKit brings together everything developers need: visual workflow design, real-time chat UIs, secure data connectors, […]