What's in DevDay 2026?
OpenAI has collected the announcements from its DevDay 2026 event on a single recap page. According to the company, more than 20 updates were shared, with highlights including GPT-6 Astra, ChatGPT, Codex, APIs, security and new tools for builders.
Highlights
- GPT-6 Astra: The model family at the center of the event.
- ChatGPT: New announcements for the product.
- Codex: Coding-side updates for developers.
- APIs: New capabilities for people building applications.
- Security: New work on AI safety and security.
- Developer tools: New tools aimed at the builder audience.
Why it matters
DevDay is OpenAI's most comprehensive announcement event of the year. This year's recap points to a broad update package spanning both models and developer tooling. Details are listed on OpenAI's event page.
