# ChatGPT Atlas Published January 1, 2026 · Updated August 10, 2026 OpenAI's official AI-native browser with ChatGPT built in Category: Developer Tools · Free · Replaces SigmaOS Pro ($20/month) · [Official website](https://chatgpt.com/atlas) ## Install with Homebrew `brew install --cask chatgpt-atlas` ## Quick take ChatGPT Atlas is dead as a standalone Mac browser as of the 9 August 2026 deprecation target. It was an ambitious AI browser that taught OpenAI how people want agents in the open web. It then lost to a unified ChatGPT desktop strategy. Do not install it; migrate to ChatGPT desktop + a maintained browser. This page stays for historical and migration SEO, not as a recommendation to adopt Atlas. Best for: Readers confirming sunset status before troubleshooting a broken dock icon, IT teams cleaning deprecated browsers off fleets, Historians of AI browser experiments ## What is ChatGPT Atlas? IMPORTANT STATUS (2026-08-09): ChatGPT Atlas is discontinued. OpenAI is sunsetting the standalone ChatGPT Atlas desktop browser; the targeted date for deprecation is 9 August 2026, and as of today Atlas is expected to stop working as a stand-alone product. Agentic browsing lessons from Atlas are being folded into the rebuilt ChatGPT desktop app (Chat + Work + Codex) and Chrome extension workflows rather than maintained as a separate browser binary. Historically, Atlas was OpenAI's AI-native browser for macOS (launched October 2025) that embedded ChatGPT into browsing, page Q&A, multi-tab research, agent mode for multi-step web tasks, and a Chromium-based shell aimed at making the browser itself the assistant. It never fully displaced Chrome for extension-heavy users, but it was a serious experiment in agentic browsing and reportedly reached multi-million monthly active users before the sunset. Why it died: OpenAI leadership narrowed "side quests," shipping a unified desktop super-app on 9 July 2026 that absorbed Work and Codex experiences and made a second browser harder to justify. James Sun publicly confirmed the Atlas sunset alongside that desktop relaunch; press from 9to5Mac, TechCrunch, CNET, and Search Engine Land all report the 8/9 deprecation target. What you should do now: export bookmarks, passwords/cookies if you relied on Atlas profiles, and move daily browsing to Chrome/Safari/Arc/Dia/Brave plus the ChatGPT desktop app or official ChatGPT Chrome extension for agentic help. Do not plan new Mac workflows on Atlas. This page remains for search demand and migration truth, not as an install recommendation. Pricing while it lived was freemium tied to ChatGPT accounts: the browser download was free, while advanced agentic features expected Plus ($20/month) or higher. That packaging no longer matters for new purchases; pay for ChatGPT plans only if you use ChatGPT/Work/Codex, not to keep Atlas alive. From a bundl macOS catalogue perspective, Atlas is now a cautionary listing: high historical interest, zero forward install recommendation. Compare that with browsers still under active development (Dia, Brave, Zen) and with ChatGPT's own desktop client, which is where OpenAI is investing. If an old review promised Atlas as the future of Mac browsing, treat that claim as superseded as of July-August 2026. ## Features - **Embedded ChatGPT sidebar (historical).** Asked questions about the current page, summarised articles, and drafted from on-page context without copy-paste into chat.openai.com. - **Agent mode (historical).** Multi-step browsing tasks, research, form flows, extraction, with reduced "laziness" fixes noted through the first quarter of 2026 release notes before sunset. - **Multi-profile accounts (historical).** March 2026 builds allowed multiple ChatGPT accounts each with separate bookmarks/history/cookies. That was useful for work vs personal before deprecation. - **Tab search across windows (historical).** Revamped tab search to find pages across windows when research sprawled. - **Migration target: ChatGPT desktop Work + browser extension.** As of July-August 2026, OpenAI points users to the unified ChatGPT macOS app for agentic work and to Chrome + ChatGPT integration instead of a second browser. - **Chromium foundation (historical).** Atlas shipped as a Chromium-based desktop browser, which helped site compatibility but put it in direct competition with Chrome and Edge for habit share. ## Migration off ChatGPT Atlas (do not install new) Atlas should not be newly installed on or after the August 2026 sunset. Use these steps to leave cleanly. 1. **Export bookmarks and notes.** Use Atlas bookmark export or copy critical URLs before the app stops opening. 2. **Install ChatGPT desktop.** Download the current ChatGPT macOS app from OpenAI, the July 2026 rebuild includes Chat, Work, and Codex. 3. **Pick a maintained browser.** Chrome, Safari, Edge, Brave, Zen, or Dia, not Atlas. 4. **Optional Chrome ChatGPT integration.** If you want in-browser assistance without a fork browser, use OpenAI's ChatGPT Chrome path described in the sunset communications. ## Pros - While it lasted, Atlas showed how agentic browsing could feel native rather than bolted on - Multi-account browser profiles were useful for consultants juggling clients - Forced competitors and OpenAI itself to take browser agents seriously - Lessons fed into ChatGPT Work and desktop browser capabilities - Free download lowered experimentation cost for Plus subscribers ## Cons - Discontinued, stops working as a standalone browser on the 2026-08-09 target - Never matched Chrome's extension ecosystem for power users - Another Chromium browser to update and secure while it lived - Migration burden: bookmarks and habits do not auto-transfer - Depending on Atlas for production workflows after the July announcement was risky ## Closer look: Why Atlas rose and fell so fast Atlas is a case study in AI platform consolidation on the Mac desktop. ## FAQ ### Is ChatGPT Atlas discontinued? Yes. OpenAI is sunsetting the standalone Atlas browser with a targeted deprecation date of 9 August 2026. As of that date it is expected to stop working; agentic browsing moves into ChatGPT desktop and related products. ### What replaces Atlas? The rebuilt ChatGPT desktop app (Chat, Work, Codex) plus browser integrations such as Chrome. OpenAI explicitly frames Atlas as a learning vehicle for those surfaces. ### Will my Atlas bookmarks sync automatically? Do not assume automatic migration. Export bookmarks and critical cookies/profiles manually before the app stops launching. ### Can I still download Atlas? Even if an old installer exists, you should not deploy it for new work on or after the sunset. It is unsupported and scheduled to fail. ### Did Atlas require ChatGPT Plus? Basic browsing could start free, but serious agent features were tied to paid ChatGPT plans (Plus and above). That distinction is moot after discontinuation. ### Why did OpenAI kill Atlas so quickly? Public reporting ties the decision to consolidating desktop surfaces, reducing side projects, and redistributing agentic browsing into ChatGPT desktop and extensions less than a year after launch. ### Is there any supported way to keep using Atlas after 9 August 2026? No supported path is offered for the standalone browser after the deprecation target. Plan on ChatGPT desktop and a maintained browser. Archived release notes remain useful only as historical documentation. ## Sources - [9to5Mac: OpenAI discontinuing ChatGPT Atlas](https://9to5mac.com/2026/07/09/openai-is-discontinuing-chatgpt-atlas-its-standalone-desktop-browser/) - [TechCrunch: OpenAI shutting down Atlas](https://techcrunch.com/2026/07/09/openai-is-shutting-down-atlas-but-its-ai-browser-ambitions-are-still-growing/) - [CNET: Atlas discontinued in August](https://www.cnet.com/tech/services-and-software/openai-shutters-chatgpt-browser-atlas/) - [Search Engine Land: Aug. 9 end date](https://searchengineland.com/openai-chatgpt-atlas-deprecation-482003) - [ChatGPT Atlas release notes](https://help.openai.com/en/articles/12591856-chatgpt-atlas-release-notes) - [OpenAI help: evolving Atlas into ChatGPT agentic work](https://help.openai.com/en/articles/20001371-evolving-atlas-into-chatgpt-for-browser-based-agentic-work) - [SigmaBrowser Atlas shutdown explainer](https://www.sigmabrowser.com/blog/chatgpt-atlas-is-shutting-down-what-happened-and-the-best-alternatives) ## Related - [Cursor](https://bundl.run/apps/cursor) - [Claude Code](https://bundl.run/apps/claude-code) - [ChatGPT](https://bundl.run/apps/chatgpt) - [Claude](https://bundl.run/apps/claude) - [Codex](https://bundl.run/apps/codex) - [Windsurf](https://bundl.run/apps/windsurf) - [Free alternative to SigmaOS Pro](https://bundl.run/https:/) ```json { "@context": "https://schema.org", "@graph": [ { "@type": "Organization", "@id": "https://bundl.run/#organization", "name": "Bundl.run", "url": "https://bundl.run", "logo": { "@type": "ImageObject", "url": "https://bundl.run/og-image.png", "width": 1200, "height": 630 }, "description": "The Ninite for Mac. 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