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ChatGPT Becomes a Super App — Code, Browse, and Chat All in One Desktop App

OpenAI has unified ChatGPT, Codex (AI coding), and Atlas (AI browser) into a single desktop app for Mac and Windows, available free to all users. Chat, code generation, and web browsing now work seamlessly in one place without switching apps.

2026-09-243 min readSource🇯🇵 日本語版
ChatGPTCodexAtlasSuper AppOpenAIDesktop App

"I want to use ChatGPT, but I don't know which app to open" — that frustration is now over. OpenAI has merged ChatGPT, Codex, and Atlas into a single desktop app. Every Mac and Windows user gets it for free.

What Is It? (For Those Who Don't Know Codex or Atlas)

Here's a quick look at the three apps now combined.

ChatGPT is the AI assistant that answers your questions in text. Most people are already familiar with it.

Codex is a tool where AI automatically writes programs for you. Tell it "write a program to organize this data," and AI generates the code. It was originally aimed at programmers, but the integration now makes it more accessible to everyday users.

Atlas is an AI-powered web browser. While browsing the web, its AI could summarize and analyze content on the fly.

These three separate apps are now unified into one ChatGPT desktop app. Chat, code creation, and web browsing are all available without switching screens. It's free for all users on Mac and Windows.

What Has Changed?

OpenAI had been releasing new apps one after another. As ChatGPT, Codex, and Atlas multiplied, users grew confused about which app to use for what.

Fidji Simo, OpenAI's Chief App Officer, led the effort to solve this problem by consolidating everything into one.

以前
Users had to open ChatGPT, Codex, and Atlas separately. "For code, open Codex. For research, Atlas. For chat, ChatGPT." Switching between apps was constant and disruptive.
現在
One app handles chat, code creation, and web browsing from start to finish. All tasks are in one place, with no need to switch between applications.

The unified app also deepens integration with "ChatGPT Work," making work-focused use cases more efficient from a single interface. It supports the latest models including GPT-6 Sol and Luna.

重要

The biggest win from this unification: no more jumping between apps. You can stay focused on what you want to accomplish, not which tool to open next.

How Can You Actually Use It?

For anyone who's thought "I'd like to try AI, but managing multiple apps is a hassle," this consolidation is a significant step forward.

Here's an example workflow:

Hand ChatGPT your meeting notes and ask it to "summarize the key points." Right from the same screen, say "search the web for more background on this topic." Atlas's browsing feature kicks in and surfaces the results.

Then ask "write a program to organize this data in Excel," and Codex generates the code — all within one app, one continuous conversation.

Even people unfamiliar with programming now have a natural entry point: just ask ChatGPT, and code gets generated for you automatically.

How to Download and Get Started

The updated ChatGPT desktop app for Mac and Windows is available now. If you already have the app, check for updates. If you haven't installed it yet, download it from the OpenAI official site (openai.com).

All unified features are available on a free account. No additional payment required.

ヒント

If you already have a ChatGPT account, just log in as usual. Once you open the desktop app, try asking it something code-related or give it a research task. You'll discover the new features naturally from the familiar chat interface.

Summary

OpenAI has unified ChatGPT, Codex, and Atlas into one "super app," now available for all Mac and Windows users at no cost. Chat, AI-generated code, and web browsing all work from a single screen. The confusion of "which app do I use?" is gone, and AI is now more accessible than ever. Start by updating your desktop app and trying it out from your usual chat flow.

For full details, see the Neowin article at neowin.net.

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