OpenAI launched ChatGPT Atlas in October 2025, bringing ChatGPT directly into a browser. The initial release was for macOS; that launch detail is a historical statement rather than a claim about platform availability today. See OpenAI’s launch announcement for the original scope.
The feature that caught my attention was the side panel. Instead of repeatedly copying a page into a separate chat, I could ask for a summary or explanation alongside the material. That could be useful for reading a paper, understanding unfamiliar terminology, or discussing a web development page.
Access to page context depends on the browser’s controls and what you share. A generated summary can still miss a qualification or misunderstand a source, so I would keep the original page open when accuracy matters. Even with that limitation, reducing the back-and-forth between tabs felt like a practical improvement.
Adapted from the original Chinese article, published on October 22, 2025.
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