OpenAI年度发布会：ChatGPT里能直接用App、Sora 2 API开放、推出Agent开发工具包

Core Insights - The article discusses the key announcements from OpenAI's annual developer conference, OpenAI Dev Day 2025, focusing on enhancing AI interaction and developer engagement [5][6]. Group 1: New Features and Tools - OpenAI introduced an enhanced Plugin system called "App Inside ChatGPT," allowing third-party applications to provide not just data but also interfaces for user interaction [7][12]. - The "Agent Kit" was launched, which includes a visual workflow editor for creating complex interactions and outputs, significantly improving the development process [20][27]. - The "Codex" programming tool has been upgraded to a formal version, optimizing code writing and agentic coding, with significant productivity improvements for developers [41][46]. Group 2: API Updates - The release of the GPT-5 Pro API, which supports high-context applications in fields like finance and healthcare, was highlighted, with a processing capacity of over 400 trillion tokens [55][56]. - The Sora 2 API was introduced, offering two versions for different use cases, from quick iterations to high-quality visual outputs [57]. - A new image generation API, "gpt-image," was launched, providing competitive pricing for image creation [63][64]. Group 3: Developer Engagement and Growth - OpenAI reported a significant increase in developer engagement, with 4 million developers and 800 million weekly users of ChatGPT, marking a substantial growth from two years ago [65][67]. - The conference showcased success stories, including an 89-year-old retiree who developed 11 iPhone apps using ChatGPT, illustrating the accessibility and impact of AI tools [71].