OpenAI DevDay Recap – what's new (openai.com)

At OpenAI's DevDay 2026, over 20 significant announcements were made concerning advancements in ChatGPT, Codex, and new AI collaboration methods. This event marks OpenAI's largest gathering to date, emphasizing the potential of AI in spearheading a creative renaissance by freeing up time for individuals and fostering innovative endeavors. The introduction of AI agents designed to handle routine tasks signals a shift towards enhanced collaboration between humans and AI systems. A standout feature of this year's announcements is the opening of ChatGPT as a collaborative space for both users and AI agents, which promotes a shared ecosystem. This move allows developers to contribute new, native solutions directly to a collective user base of 1.2 billion, significantly expanding the AI capabilities available to developers and end-users alike. These developments not only enhance operational efficiency but also underscore OpenAI's commitment to building an inclusive and innovative AI landscape.