OpenAI has unveiled AgentKit, a new suite of tools designed to make building and managing AI agents faster, safer, and more intuitive. The announcement, made on October 6, 2025, coincided with OpenAI's Developers’ Day celebrations, signaling a significant step toward streamlining AI development for businesses and individual developers alike.

Before AgentKit, creating AI agents was a complex, time-consuming process. Developers had to juggle multiple tools, write custom code, and spend weeks designing functional workflows. AgentKit changes the game by providing a unified platform where developers can visually design workflows, test AI behaviour, and deploy chat-based agents without the typical headaches.

One of the standout features, Agent Builder, acts as a visual workflow tool. It enable

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