Story
openai_blog · Sep 29, 2026 · news
Source brief
DevDay 2026 Recap
the OpenAI blogSep 29, 2026
original source linked
In brief
Explore more than 20 announcements from OpenAI DevDay 2026, including GPT-6 Astra, ChatGPT, Codex, APIs, security, and new tools for builders.
Continues in
Feed lens
codex