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DevDay 2026 Recap

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

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The KeyNews take

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 know
  1. 20+ announcements across ChatGPT, Codex, APIs, and security tooling

  2. GPT-6 Astra included (model capability details not specified in source)

  3. Published Sept 29, 2026

  4. No specific pricing, region, quota, or availability details disclosed in recap URL

  5. 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.
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