DevDay 2026 Recap
20+ announcements from OpenAI DevDay 2026: GPT-6 Astra, new APIs, security tooling, and builder features — here's what changed.

Why it matters
OpenAI's annual developer conference shipped incremental product features and API updates alongside the GPT-6 Astra model. Practitioners need to know which announcements are GA, which are preview, what pricing changed, and what integration work is required to adopt.
The key facts
5 to know20+ announcements across ChatGPT, Codex, APIs, and security tooling
GPT-6 Astra included (model capability details not specified in source)
Published Sept 29, 2026
No specific pricing, region, quota, or availability details disclosed in recap URL
Source is OpenAI official recap; no independent testing or deployment outcomes reported
Go to the source
OpenAI Blogopenai.com
Publisher excerpt: Explore more than 20 announcements from OpenAI DevDay 2026, including GPT-6 Astra, ChatGPT, Codex, APIs, security, and new tools for builders.