Three OpenAI Codex Updates That Actually Matter for Your Business

OpenAI's Codex had a big month, and the updates are worth paying attention to if you run any kind of business that touches marketing, web development, or multi-step automation. Mariah Brunner breaks down the three updates she actually uses on a regular basis, with a live demo of one of them. This is a practical walkthrough, not a feature announcement recap.

Role-Based Plugins Across 62 Apps

OpenAI dropped six new plugins built for specific business roles, covering marketing, sales, and finance. These plugins span across 62 apps and over 100 individual skills. The marketing plugin, for example, can pull social media and email marketing data into a single chat so you can compare channel performance without jumping between dashboards. If you currently toggle between analytics platforms to figure out what is working, this consolidates that workflow into one conversation.

Sites for Codex: Instant Web Pages With Shareable URLs

The second update is Sites for Codex, which lets you spin up a website or app in seconds and get a shareable URL on the spot. Mariah demonstrates this live by asking Codex to build a landing page for her upcoming 30-day AI challenge. She typed a single prompt with minimal context, and Codex created and deployed the entire landing page in about one minute. The result was not a polished final version, but it was a functional, shareable page generated from roughly 10 seconds of input. If you have been paying for tools like Lovable to throw up quick landing pages, this feature could replace that cost entirely.

Codex Tasks: Multi-Step Work You Can Run Overnight

The third feature is Codex Tasks, which lets you hand off a large, multi-step job and come back to finished work. Mariah uses this for jobs that are too big for a single chat session, running them overnight and picking up completed output the next day. This turns Codex into something closer to an async worker rather than a live chat assistant, which is a meaningful shift in how you can structure your AI-assisted workflow.

Key Takeaways

Role-based plugins connect 62 apps across marketing, sales, and finance into a single Codex conversation, eliminating dashboard hopping.
Sites for Codex generates and deploys functional web pages from a short prompt, potentially replacing paid landing page tools.
Codex Tasks handles large multi-step jobs asynchronously, so you can queue work overnight and review results the next day.
These features are most useful for solo operators and small teams who need to move fast without specialized tooling for every function.

Resources

OpenAI Codex - Official product page for Codex
OpenAI Plugins Documentation - Details on available plugins and integrations
@itsmariahbrunner on TikTok - More AI workflow breakdowns from the creator