OpenAI DevDay 2026 Recap: Over 20 Announcements at a Glance

At a glance

This is a recap of the announcements OpenAI made at its developer event, DevDay 2026. It covers more than 20 announcements, including GPT-6 Astra, a new model in the GPT series, as well as ChatGPT, Codex, the API (the connection channel developers use to access features), security, and developer tools.

The original site blocks automatic reading or only shows its text in a browser, so this note covers just the headline and introduction. See the original article below for the full story.