More than 20 announcements anchored OpenAI’s DevDay 2026, led by new agents that can handle ongoing responsibilities and broader tools for human-AI collaboration.
ChatGPT was expanded into a shared surface where people and agents can work together, while developers can launch native experiences directly to its 1.2 billion weekly users.
The push extends across ChatGPT, Codex and OpenAI’s models, framing the event as the company’s biggest DevDay yet and a broader platform opening rather than a single product release.
Earlier in the day, OpenAI also launched GPT-6 Astra-powered “Dots” assistants for Pro and Business Premium users, signaling how the new agent strategy is moving from keynote to rollout.