OpenAI Developer Conference Major Announcements: AgentKit, Codex Full Release, and Sora 2 API

OpenAI Developer Conference unveiled a series of major product releases, including AgentKit, an intelligent agent development toolkit featuring a visual builder, connector registry, and ChatKit; the official release of Codex, now integrated with Slack and boasting a tenfold increase in daily active users; built-in ChatGPT apps and an open-source Apps SDK. The event also introduced gpt-realtime-mini for real-time audio, gpt-image-1-mini for image generation, Sora 2 API for video generation, and the GPT-5 Pro API. All features are included under the standard API billing framework.