OpenAI confirmed on July 9, 2026 that ChatGPT Atlas, its standalone agentic desktop browser, is being discontinued. The deprecation date is August 9, 2026, with more details going out via in-app notifications and email. Atlas launched in October 2025 around the premise of “What if you could chat with your web browser?” and brought features like page summarization, product comparison, code editing, and an Ask ChatGPT sidebar.
Rather than keep investing in a browser with a small user base, OpenAI is folding agentic features into the main ChatGPT desktop app, which is also absorbing the Codex app. ChatGPT Work can now use local files, apps, and a built-in browser to handle tasks across web and desktop. If you were using Atlas, here are the alternatives worth considering.
Perplexity Comet: The Most Direct Replacement
Comet is the closest thing to what Atlas was trying to be. It functions as a personal assistant and thinking partner built into the browser itself, with unified AI search, instant context, and automation that works across every site. It can summarize pages, compare products, schedule tasks, and conduct research without leaving the browser window. The AI layer is persistent rather than opt-in, meaning every page you visit is already in context for the assistant. Comet launched on Mac first and has since expanded to iPhone, iPad, Windows, and Android over the past several months.
ChatGPT Desktop App: Stay in the OpenAI Ecosystem
If you liked Atlas because of ChatGPT specifically, the updated ChatGPT desktop app is the obvious next stop. It now includes merged Codex functionality and a built-in browser that lets the agent access websites, tools, and online files alongside your local apps and documents. The agent can execute multi-step tasks across web and desktop in a single session, which is the core of what Atlas was attempting. This is exactly where OpenAI is putting the resources that used to go into Atlas.
Microsoft Edge With Copilot: The Mainstream AI Browser Option
Edge has quietly built out one of the more capable AI integrations available. Copilot powers the new tab page and a smarter search box that decides in real time whether to search the web or chat, depending on how you phrase the query. Journeys is a standout feature: it tracks what you are actively working on across sessions and surfaces relevant suggestions from your browsing history. Page summarization, inline chat, and document assistance are all built in without requiring an extension. The Copilot Preview program unlocks additional features for early adopters willing to run prerelease builds.
ChatGPT Chrome Extension on Any Chromium Browser: Low-Friction Option
If you want ChatGPT integration without switching browsers, the official ChatGPT Chrome extension covers much of the same ground Atlas offered. It drops a persistent ChatGPT sidebar into the browser, giving you access to page summarization, inline Q&A, and direct ChatGPT chat without navigating away from whatever you are reading. It works in Chrome, Edge, Brave, or any other Chromium-based browser that supports Chrome extensions, so there is no need to migrate your bookmarks, passwords, or workflow.
Download ChatGPT Extension for Chrome
Google Chrome With Gemini: Best for Google Users
Google bakes Gemini directly into Chrome, which means AI-powered search, page summarization, and chat are available without installing anything extra. Gemini can answer questions about the page you are on, help draft text in web forms, and connect with Google services like Docs and Gmail when you are signed in. The baseline experience is free, and Gemini AI Pro adds more capable responses and deeper integration for users who want more than the default tier. If your workflow is already built around Google services, this is the path of least resistance.
Download Google Chrome for Mac
Opera Neon: AI Native Browser
Opera Neon is Opera’s experimental concept browser, built to test ideas about what a next-generation browser interface could look like. It takes a visual, card-based approach to tabs and browsing, with a floating sidebar, a built-in image and video player, and a split-screen view for working across multiple pages at once. The AI angle here is lighter than Comet or Copilot: Neon is more about reimagining the browsing interface than layering a chatbot on top of it. It is also lighter on resources than Chrome, which matters if you are running it alongside heavier AI tools. Worth a look for users who want something structurally different from the standard browser layout without fully committing to a new ecosystem.
Dia: The AI-Native Browser From the Makers of Arc
Dia is The Browser Company’s follow-up to Arc, rebuilt from the ground up with AI at the center rather than bolted on afterward. Where Arc was known for its unconventional tab management and spatial layout, Dia takes a more direct approach: it treats the browser itself as an AI agent, capable of answering questions about what you are reading, filling forms, and completing multi-step tasks without leaving the page. The AI can act on instructions rather than just respond to them, which puts it closer to what Atlas was attempting than most of the other options on this list. It is aimed squarely at users who found Arc too opinionated but still want something more capable than Chrome with an extension attached.
Aside for macOS: The New Mac-Only Option
Aside is a newcomer in the AI browser market built specifically for Mac, positioned as a lighter alternative to heavier options like Chrome or Comet. It offers AI-powered browsing features without the resource overhead of a full Chromium build, which is the main pitch for users who found Atlas relatively lean and do not want to move to something heavier. It is early, availability can vary by region, and the feature set is still developing, but for Atlas users who want something purpose-built for macOS, it is worth testing before defaulting to one of the bigger options.
