Zen is more of just a traditional browser, focused on replicating the features from Arc Browser. ChatGPT Atlas on the other hand is an entirely new agentic browser with AI and ChatGPT at the core and it's a glimpse into what searching the web in the future will look like.
We believe there are better options available in this category, read below to learn what this software does well, and what they could do better. ⤵
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Bring ChatGPT with you across the web for instant answers, smarter suggestions, and help with tasks—all with privacy settings you can control.
If you're already an avid user of ChatGPT, using the standalone desktop app, and mobile app, and you're on MacOS, then having ChatGPT in your browser at all times is a pretty amazing experience.
Note: Atlas browser is currently only available for MacOS, with Agent mode available only for paid ChatGPT customers.
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Zen Browser is heavily inspired by Arc Browser, with one core difference. It was built for those who want a Chromium alternative, but love the idea of a modern browser with a powerful sidebar, like Arc.
That said, with it being built atop Firefox, if you're moving over to it from Google Chrome or Safari, you're most notably going to notice how many browser extensions you use that don't exist in Firefox more than anything:

It's also built by a much smaller team, so you really have to just be somebody that absolutely loves Firefox, and wants to use a modern spin on that. That said, if youwant an Arc-like experience without the bugs? Just use Arc instead.
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