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OpenAI DevDay 2026 live blog

OpenAI DevDay 2026: live announcements and product rollouts as they happen.

Reporting by Simon Willison 1 min brief
Paper-cut illustration of a coral software window opening into a three-dimensional drafting space.
New tools for building and creating with AI.AI illustration by KeyNews
The KeyNews take

Why it matters

Live coverage of OpenAI's developer conference captures breaking product launches, API updates, and pricing changes that practitioners need to act on immediately. A real-time source of record for new capabilities, availability, and cost shifts.

The key facts

5 to know

  1. Live blog format — breaking updates as announced

  2. OpenAI DevDay 2026, Sep 29

  3. Source: Simon Willison (independent technical journalist, high credibility for API/product coverage)

  4. Specific products, features, pricing, and availability details expected in live updates

  5. Real-time practitioner intel for integration and budgeting decisions

The story so far

Earlier coverage of this storyline

  1. OpenAI DevDay live updates: Altman faces safety questions as company unveils new featuresCNBC Technology
  2. This story

Go to the source

Simon Willisonsimonwillison.net

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