Article summary — original

OpenAI DevDay 2026 Highlights Over 20 Announcements Based on a source excerpt. OpenAI introduced more than 20 updates at DevDay 2026, spanning model releases, developer APIs, and platform tools. DevDay 2026 included over 20 announcements covering GPT-6 Astra, ChatGPT, Codex, APIs, security, and new builder tools.

Article summary — zh

OpenAI DevDay 2026 发布超20项更新 Based on a source excerpt. OpenAI 在 DevDay 2026 上公布了20多项新内容，涵盖 GPT-6 Astra、ChatGPT、Codex、API、安全特性及面向开发者的全新工具。 OpenAI DevDay 2026 带来了超过20项新发布与更新 发布内容涉及 GPT-6 Astra、ChatGPT、Codex、API、安全及构建者工具等领域

Saved source excerpt

Explore more than 20 announcements from OpenAI DevDay 2026, including GPT-6 Astra, ChatGPT, Codex, APIs, security, and new tools for builders.