OpenAI is preparing “o,” an always-on ChatGPT assistant that could handle

OpenAI is preparing “o: what actually changed

BleepingComputer reports: OpenAI is preparing “o,” an always-on ChatGPT assistant that could handle email. OpenAI is testing a new always-on assistant called "o", and references to the unannounced feature briefly showed up on the company's website. [...]

OpenAI is preparing “o: how it works

OpenAI hasn't confirmed or denied that it's working on a new always-on assistant, but as some users spotted on X, "o, your always-on assistant" was briefly listed as one of the benefits of the $100 ChatGPT Pro plan. References to new 'o' assistant Source: Jake on X This feature was listed alongside more Work and Codex usage, maximum memory, 100GB of file storage, and early access to new features.

OpenAI is preparing “o: why it matters now

Moreover, there's a dynamic configuration with a reference to display_name: "o" alongside an email_suffix: "-o", and this seems to suggest that the assistant could eventually have some form of email capability or identity. That makes sense for an "always-on" assistant, which could continue helping with your tasks when you're not actively using ChatGPT, but we don't yet know exactly what OpenAI has planned.

OpenAI is preparing “o: who is affected

OpenAI could reveal more at DevDay OpenAI has already confirmed it's hosting DevDay 2026 on September 29 in San Francisco, and it's expected to announce a number of new features. See the full write-up from BleepingComputer via the source link for quotes and complete context.

OpenAI is preparing “o: what to watch

The event would give us a closer look at what its teams are building, along with technical sessions, demos, and new tools, so I wouldn't be surprised if we hear more about "o" there. There have also been references to an internal "Aeon" system around custom agents for ChatGPT workspaces, but "o" appears to be a separate consumer-facing experience.