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OpenAI launches a new Codex macOS app

Unproofread notes

OpenAI launched a new macOS app for Codex that is more feature rich than using Codex in the terminal. You can watch their quick demo on X and here are some highlights from the demo:

  • run and manage multiple agents for multiple projects at one place
  • in-built git worktrees to simultaneously work on different features without conflicts
  • easier and better way to use and manage skills, usage can be more than coding like writing, etc.
  • generate and edit images inside the app to use in websites (this is a cool skill)
  • pre-built skills for creating documents like PDFs, spreadsheets, and docs
  • /personality command to choose an interaction style you like
  • /plan mode (was recently released for Codex CLI as well)
  • cool automations that keep running in the background on a regular interval

You can get the app for your macOS device .

Update:

I just installed the app, and here are my first impressions:

Installing Codex macOS app

  1. The app looks good, love the light mode with system translucency.
  2. I didn't need to log in, as I was already logged in to Codex CLI. It's already showing my MCPs installed and other settings. When I opened a project, it already showed my previous chats with Codex CLI in the folder. Cool!
  3. I changed a few settings:
    1. Turned on: Require ⌘ + enter to send long prompts
    2. Turned on: Use pointer cursors
    3. Selected the option to show commands and expand output
  4. The Skills library is good, you can just click on any skill to install in seconds.
  5. It has an in-built terminal as well. I can also run some commands from inside the app.
  6. The dictation feature is useful and very accurate.

Codex Skills library

I passed a few commands in a project and can already say that the experience is much better than using Codex CLI. In the CLI, it felt a lot of work to install and use a skill, but it's quicker here.

Codex app slash commands

The slash / command in the chat shows some useful options. Running /status or /mcp doesn't disturb the running thread or doesn't wait for the execution to complete, but immediately shows the results in a popup above the chat input box.

Update

Just learned that OpenAI has launched a promo offer for Codex allowing 2x usage limits for all paid plans for 2 months. And now even ChatGPT Free and Go users have 1-month access to Codex. This announcement wasn't in the main OpenAI post, but posted by Alexander Embiricos from their team:

To celebrate the Codex app, we're launching a promo:

  • Doubled Codex rate limits for all paid plans (2 months)
  • Access for ChatGPT Free and Go Plans (1 month)

And you get 2x limits on all Codex features, whether you use the CLI, app, or web.

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