The desktop app and web browser both work on Windows and Mac, but they differ in speed, notifications, and how much space they take up

ChatGPT runs in your web browser at openai.com without any installation. The desktop app for Windows and Mac is a separate program you download and install, and it opens ChatGPT in its own window instead of a browser tab. Both connect to the same account and save your conversation history in the same place. The main trade-offs are convenience versus storage space, and whether you want notifications when responses arrive.

Most people start with the web version because nothing needs to be installed. The desktop app makes sense if you use ChatGPT several times a day and want it to launch faster, or if you want notifications to alert you when a response is ready. The desktop app also keeps ChatGPT separate from your other browser tabs, which some people find less distracting.

Key Takeaways

  • The web version at openai.com requires no installation and works in any browser, while the desktop app is a separate download that takes up disk space.
  • The desktop app launches faster and can send notifications when responses arrive, but both versions access the same account and conversation history.
  • Windows and Mac both have desktop apps available from OpenAI's website, but Linux users must use the web version.
  • The desktop app uses roughly 300 to 500 MB of storage, which matters only if your drive is nearly full.

How the web version works on your PC

Open any browser—Chrome, Edge, Firefox, Safari—and go to openai.com. Sign in with your OpenAI account or create one. You can start chatting immediately. Your conversations save automatically to your account, so if you close the browser and come back tomorrow, your chat history is still there.

The web version has no notifications. If you send a long prompt and switch to another tab, you won't know when the response is ready unless you come back to check. For short responses this doesn't matter. For longer outputs, you might find yourself switching back and forth.

The web version works on any device with a browser—your phone, tablet, or another computer—and you see the same chats everywhere. It takes up no storage on your PC because it runs in the browser's memory, not on your hard drive.

How the desktop app works on Windows and Mac

Download the app from openai.com/download. On Windows, run the installer and follow the prompts. On Mac, drag the app to your Applications folder. Launch it like any other program. It opens a window that looks like the web version but runs as a standalone application.

The desktop app sends notifications when a response arrives. On Windows, a notification appears in the bottom right corner. On Mac, it appears in the notification center. You can click the notification to jump back to the app and read the response.

The app also launches faster than loading the website in a browser, because it doesn't have to load the full browser first. If you use ChatGPT multiple times a day, this speed difference adds up. The app also stays in your taskbar or dock, so it's one click away instead of finding the browser tab.

Storage space and system requirements

The ChatGPT desktop app uses between 300 and 500 MB of storage, depending on your operating system and how many updates it has received. This is small enough that it won't matter unless your PC is nearly full. For comparison, a single HD movie takes up 4 to 6 GB, and a typical game takes 50 to 100 GB.

The app requires Windows 10 or newer, or Mac OS 11 or newer. It also needs an internet connection—the app doesn't work offline. If your PC is older than 2015 or runs an older version of Windows, check your system version before downloading. Linux users cannot use the desktop app and must use the web version.

When the web version is the better choice

Use the web version if you only chat with ChatGPT once or twice a week, or if you're not sure whether you'll keep using it. There's nothing to uninstall later, and you can access it from any device without logging in again on each one.

The web version is also better if your PC storage is already tight. Even 300 MB can matter on older laptops with small drives. The web version also works on any browser, so if you switch browsers later, you don't need to download anything new.

When the desktop app is the better choice

Download the app if you use ChatGPT several times a day and want notifications when responses arrive. The app also keeps ChatGPT in its own window, separate from your browser tabs, which some people find easier to focus on.

The app is also worth it if you find yourself constantly searching for the ChatGPT tab among many other tabs. Having it as a separate program in your taskbar or dock makes it faster to switch to. The speed improvement is small but noticeable if you launch it dozens of times a month.

How to switch between them

You can use both at the same time. Open the web version in your browser and the desktop app in a separate window, and they'll show the same chats because they're connected to the same account. You might do this if you want notifications from the app but also want to chat in a browser tab while working.

If you install the app and decide you don't want it, uninstall it like any other program. On Windows, go to Settings > Apps > Apps & Features, find ChatGPT, and click Uninstall. On Mac, open Applications, drag ChatGPT to the Trash, and empty the Trash. Your conversation history stays in your OpenAI account, so you can still see all your chats in the web version.

Frequently Asked Questions

Does the desktop app cost money?

No. The ChatGPT desktop app is free to download and use. You need a free OpenAI account to sign in, and you can use the free version of ChatGPT in both the app and the web browser. If you pay for ChatGPT Plus, that subscription works in both versions.

Will the desktop app slow down my PC?

No. The app uses minimal resources when it's not running. When you're using it, it uses about as much memory as a browser tab would. If your PC is already slow, the app won't make it worse, and it won't make it faster either.

Can I use the desktop app on multiple computers?

Yes. Download and install the app on each computer, sign in with the same OpenAI account, and your chats appear on all of them. Your conversation history syncs across devices automatically.

What happens to my chats if I uninstall the app?

Your chats stay in your OpenAI account. When you uninstall the app, the program is removed from your PC, but your conversation history is saved online. Sign in to the web version at openai.com and all your chats are still there.

Is the desktop app more secure than the web version?

Both versions use the same encryption and security. The app doesn't add extra security, and the web version isn't less secure. Your account security depends on your password and whether you use two-factor authentication, not on which version you use.