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OpenAI Sets 10 A.M. PT DevDay Keynote With Sam Altman as Developers Await More Than 20 Launches

September 29, 2026 at 10:18 EDT

AI Agents
Software Dev & Coding
Foundation Models

OpenAI is pointing developers to a 10:00 a.m. PT DevDay keynote on Tuesday, September 29, 2026, in San Francisco, with Sam Altman scheduled to open the annual builder event. The company has signaled a slate of more than 20 launch items, but has not published an itemized list ahead of the keynote.

September 29, 2026 · OpenAI

OpenAI's DevDay Launch Slate

A 10:00 a.m. PT keynote opens a developer event framed around Sam Altman, agent tooling, and a launch slate of more than 20 items.

10:00

a.m. PT keynote

20+

launch items signaled

$650

invited registration

exchange cities

The launch count, drawn to scale

Each block represents one launch item; the plus sign means the final count is at least this high.

20+

launch items

The detail that matters next is what each item actually ships.

How the day turns into builder work

Keynoteannounce the slate

→

Docsmodel IDs and limits

→

Testingagents in real repos

→

Deploymentcost, access, governance

What builders want

A coherent surface for models, Codex, agent orchestration, sandboxes, voice, data workflows, and enterprise controls.

What they will scrutinize

Whether the count reflects usable launches, clear pricing, dependable limits, regional access, and safety behavior that works in production.

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