OpenAI Launches AgentKit: Ending the Chaos of AI Agent Development
Say goodbye to scattered tools and lengthy development cycles. OpenAI recently announced the new AgentKit, a complete visual toolkit designed to let developers and businesses build, deploy, and optimize powerful AI agents with unprecedented speed. In the past, building AI agents often involved switching between fragmented tools, dealing with complex process orchestration, connectors lacking version control, and time-consuming manual prompt tuning and front-end development, making the whole process quite cumbersome. The launch of AgentKit is precisely to solve these pain points.
OpenAI states that AgentKit revolutionizes the development of AI agents through visual workflow design and new building blocks, allowing developers to embed agent interfaces into their products more quickly.
AgentKit Core Tools and Features:
- Agent Builder: A visual canvas where developers can compose logic, connect tools, and set custom guardrails by dragging and dropping nodes, as intuitive as drawing a flowchart. This tool supports real-time preview, online evaluation settings, and full version control, significantly accelerating iteration cycles.
- Connector Registry: A centralized management center that allows administrators to uniformly set up and govern data sources and tool connections across OpenAI products (including ChatGPT and the API). It has built-in connectors for services like Google Drive and Sharepoint, and also supports third-party tools.
- ChatKit: A toolkit for seamlessly embedding custom chat agent experiences into applications or websites. Developers can customize its interface to match their brand style, saving them from complex front-end tasks like handling real-time response streaming and managing conversation threads.
- Guardrails: An open-source, modular security layer that can be enabled in Agent Builder to protect agents from accidental or malicious behavior, such as masking personally identifiable information (PII) or detecting “jailbreak” attempts.
Industry Proven: Significantly Reduced Development Time
Several companies have already achieved significant results with AgentKit. The team at fintech company Ramp built a procurement agent from scratch in a matter of hours. The Ramp team said, “Agent Builder condenses what used to be months of complex process orchestration, custom code, and manual optimization into just a few hours. The visual canvas keeps the product, legal, and engineering teams in sync, reducing iteration cycles by 70%, allowing us to get the agent live in two sprints instead of two quarters.”
Similarly, Japanese technology and internet services company LY Corporation built a work assistant agent in two hours. The well-known design platform Canva used ChatKit to build a support agent for its developer community in one hour. Canva shared, “In total, we saved over two weeks of development time. This support agent turns our documentation into a conversational experience, making it easier for developers to build apps and integrations on Canva. This will be a revolutionary change.”
Precise Evaluation and Continuous Optimization
To build more reliable AI agents, OpenAI has also expanded its evaluation capabilities (Evals), adding four new features:
- Datasets: Helps developers quickly create evaluation datasets.
- Trace grading: Conducts end-to-end evaluation of agent workflows to identify weaknesses.
- Automated prompt optimization: Automatically generates more optimized prompts based on scoring results.
- Third-party model support: Supports evaluating models from other vendors within the platform.
Investment management firm Carlyle stated that after using it, their “multi-agent due diligence framework development time was reduced by over 50%, and agent accuracy increased by 30%.”
In addition, OpenAI has launched Reinforcement Fine-tuning (RFT), allowing developers to customize their reasoning models to further enhance agent performance. This feature is currently generally available on the o4-mini model and is being tested internally on GPT-5.
Pricing and Availability
According to OpenAI’s announcement, ChatKit and the new Evals features are now available to all developers. Agent Builder is currently in beta, and the Connector Registry is being rolled out in beta to select API, ChatGPT Enterprise, and Edu customers with the Global Admin Console. These tools are all included in the standard API model pricing at no additional cost.