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OfficialSep 29, 2026 ·

DevDay 2026 Recap

OpenAI

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

Published
Sep 29, 2026
Source
The company itself

Reported by: OpenAI

OpenAIModelsCodex & CodingDiscuss in the forums →

More on OpenAI

  1. Sep 29Your dot is ready to meet you.Official
  2. Sep 29Introducing dots, powered by GPT-6 Astra.Official
  3. Sep 29JUST IN: @OpenAI introduces “Ultrafast” - up to 8× faster in Codex (300 tokens/sec) and 6× faster in the API.Official
  4. Sep 29We're joining the @OpenAI Marketplace as a launch partner.Official
  5. Sep 29JUST IN: @OpenAI announces API performance upgrades:Official
  6. Sep 29JUST IN: @OpenAI introduces ChatGPT Space, a collaborative workspace for people and AI agents.Official