On October 6, 2025, OpenAI officially rolled out the AgentKit toolkit at its Developer Day event. The primary goal of this launch is to assist developers in more efficiently constructing and deploying AI agent systems.

OpenAI's CEO, Sam Altman, remarked that AgentKit serves as a comprehensive suite of building blocks. It encompasses the entire development journey, from the initial prototyping phase to the final production deployment. This toolkit substantially reduces the technical hurdles and workflow bottlenecks that developers often encounter during agent development.

The AgentKit toolkit is composed of four core modules:

• Agent Builder: A visual interface that enables developers to swiftly construct logic frameworks.
• Chat Toolkit: Offers customizable embedded chat interfaces, allowing developers to tailor the chat experience according to their specific needs.
• Agent Evaluation Tools: Facilitates performance tracking and automated optimization, ensuring that AI agents operate at peak efficiency.
• Connector Registry: Provides secure integration capabilities with both internal systems and third-party services, enhancing the versatility and connectivity of AI agents.

During a live demonstration conducted by OpenAI engineers, an AI workflow involving two agents was successfully built in a mere 8 minutes, showcasing the toolkit's efficiency and user-friendliness.

Currently, businesses across a diverse range of sectors, such as finance and healthcare, have embraced AgentKit, leading to the widespread adoption of AI agents on a large scale.