Breaking

OpenAI's Rumored "o" Always-On Agent Emerges Ahead of DevDay 2026

September 26, 2026 at 15:36 EDT

AI Agents
Software Dev & Coding

OpenAI appears to be preparing a consumer-facing always-on agent called "o" for a possible DevDay 2026 reveal, according to unreleased ChatGPT configuration references that surfaced on September 26. The company has confirmed that OpenAI DevDay 2026 is scheduled for September 29 in San Francisco, with a 10:00 a.m. Pacific keynote featuring Sam Altman.

September 26, 2026 · OpenAI

A rumored always-on agent nears DevDay

Unreleased ChatGPT references point to an agent called "o" just three days before OpenAI's developer keynote in San Francisco.

days from signal to keynote

10:00

a.m. Pacific keynote

$650

in-person registration

unannounced agent name

Countdown visualized

1 daysingle day

3 dayssignal to DevDay

The reported "o" clues surfaced close enough to DevDay that the event has become the natural announcement window to watch.

What the product would have to connect

Session memory

Work that can continue beyond a chat turn.

→

Tools and apps

Browsers, APIs, files, and connectors.

→

Approvals

Human checks before higher-risk actions.

Why builders care

Recurring research, monitoring, scheduling, and follow-up work become more useful when an agent can continue in the background.

Why controls matter

Always-on delegation raises harder questions about permissions, credentials, costs, audit trails, and prompt injection.

The DevDay question

Will "o" be shown as a consumer assistant, a workspace agent, a developer platform feature, or a bridge across all three?

Continue reading

The rest of this article is for AI News Blitz readers. Choose an option below to keep reading.