OpenAI Releases New APIs and SDK to Help Developers Build Custom AI Agents
OpenAI introduces a new suite of developer tools, including the Responses API and an open-source Agents SDK, that allow creators to build custom AI agents using the same technology behind Deep Research and Operator.
OpenAI releases a new suite of APIs and tools that enable developers to build AI-powered agents more efficiently. These offerings leverage the same underlying technology that powers OpenAI's first-party agents, Deep Research and Operator, giving third-party creators the ability to build domain-specialized products tailored to their specific audiences.
The new toolkit includes the Responses API, built-in web and file search tools, a computer use tool, and an open-source Agents SDK. These tools reduce the need for extensive prompt engineering and custom orchestration logic, allowing developers to link agents to external web tools and processes to complete autonomous workflows.
This release relies heavily on OpenAI's "o" family of reasoning models, which provide the long-horizon planning capabilities necessary for complex tasks. By providing this comprehensive "one-stop shop" for agent development, OpenAI aims to maintain its competitive edge against rivals like Anthropic, Google, DeepSeek, and Alibaba's Qwen.