01What Is the Codex App Update?

The codex app update adds fully customizable keyboard shortcuts inside the Codex app. This sounds small, but it changes how you work with AI agents.

Codex is OpenAI's command center for AI agents. It launched on Mac in February and added Windows on March 4th. The app lets you run many agents at once, each on a different task.

Now you can set shortcuts from settings, so the tool fits your workflow instead of the other way around.

02Main Features of the New Codex App Update

The new update brings several improvements beyond shortcuts. Here are the key features:

  • Customizable keyboard shortcuts – You can change any shortcut from settings.
  • Search for past threads – Find old work quickly.
  • Sidebar shortcut – Jump back to previous chats easily.
  • Sync between app and VS Code add-on – Your settings follow you.
  • One-click cleanup – Remove old threads in a project.
  • Fork chats – Start a new branch from any old message.
  • Slash commands – Switch models mid-task.
  • Drag and drop – Reorder queued messages.

Each feature makes Codex easier to use. Together, they show OpenAI is building Codex to be your main work place.

03How to Set Up Custom Shortcuts

Setting up custom shortcuts is simple and takes just a few minutes. Follow these steps:

  1. Open the Codex app on your Mac or Windows computer.
  2. Go to the settings menu.
  3. Find the shortcuts page.
  4. Choose three actions you do every day, like starting a draft post, replying to a member, or building a landing page.
  5. Tie a keyboard key to each action.
  6. Run the shortcut once to test it.
  7. Use your new shortcuts for a week to build the habit.

That's it. Once set up, you can hit a key and Codex spins up an agent. The agent starts working while you move on to other things.

04How to Use the Updated Codex App

Using the updated Codex app is about running agents in parallel. For example, if you run an online community, you can set one shortcut to spin up a draft post agent. Hit that key and it starts writing.

Set another shortcut for a reply-to-member agent. Hit that key and it works too. Three agents can run at once without clashing.

Each agent works in its own work tree, so they don't break each other's work. You can also build a landing page with one agent, start an email follow-up agent with another shortcut, and launch a social post agent with a third. One person can run the work of a small team.

To start, pick one task you do often and tie it to a key. Then add more shortcuts as you get comfortable. The goal is to make every repeated action a single keystroke.

05Results and Numbers from the Episode

The episode shares real numbers that show how fast Codex is growing. Since OpenAI dropped GPT-5.2 in December, Codex usage doubled. One million people used it in the last month.

The app can run tasks on its own for up to 30 minutes, and the cloud version runs tasks even when your computer is off.

OpenAI also plans to merge ChatGPT, Codex, and the Atlas browser into one big app this March. That makes Codex the front door for everything OpenAI does. These numbers show the update is part of a larger push to make Codex central to your workday.

06Tips, Limits, and Mistakes to Avoid

Here are some tips and warnings from the episode:

  • Set up shortcuts for your daily tasks – Don't just change a few keys; tie shortcuts to real work you do every day.
  • Test that shortcuts don't clash – The old default caused conflicts, so make sure your custom keys don't clash with other apps.
  • Know the limits – Codex is only on Mac and Windows, not Linux. You can only use OpenAI's models, not Claude or Gemini.
  • Be careful with cloud tasks – Sending code to OpenAI's servers may not be okay for medical or government work.

A common mistake is trying to change too many shortcuts at once. Start with three that matter most. Also, don't ignore the new features like search and fork; they work with shortcuts to speed you up.

07Who Should Care About the Codex App Update

This update is for anyone who uses AI to get work done. It helps solo business owners, marketers, and small teams. If you run a service business, you can build a landing page, send follow-ups, and post on social media all at once with just three shortcuts.

Even if you're just starting, the custom shortcuts make Codex accessible. The episode stresses that early adopters will get ahead. By setting up your shortcuts this month, you'll run circles around others who wait.

Custom shortcuts are step one; OpenAI is already working on automations that trigger actions at set times, like waking up to a triaged inbox. That future starts with the personalization in this update.