YabAtlas vs Brave
ChatGPT Atlas was OpenAI’s Chromium browser for the Mac, with ChatGPT beside every page and an agent mode. OpenAI shut it down on August 9, 2026, and points people to the ChatGPT desktop app and its Chrome extension.
Brave is an open-source Chromium browser that blocks ads and trackers by default, with Leo, an AI chat that needs no account, on every desktop and phone.
The short answer
- OpenAI shut Atlas down on August 9, 2026: it may not open, runs no agent tasks and gets no security updates
- if you want ads and trackers blocked by default
- if you want AI chat without an account, or on your own local model
- if you need the same browser on every desktop and phone
- if you already pay for Claude or ChatGPT and want it to work in your signed-in tabs
- if you miss Arc and want spaces, pins and folders kept, on a Mac
At a glance
Atlas and Brave, with Yab beside them for a Mac.
| What | ChatGPT Atlas | Brave | Yab |
|---|---|---|---|
| Made by | OpenAI | Brave Software | Serafim Korablev |
| Status | Shut down August 9, 2026 | Updated | Updated |
| Runs on | Mac | Mac, Windows, Linux, iPhone and Android | Mac |
| Phone app | None; Atlas was Mac only and shut down on Aug 9, 2026 | iPhone, iPad and Android; syncs tabs, bookmarks, passwords and history, no account | Not yet |
| Price | Shut down; it was free, with agent mode on paid ChatGPT plans | Free, with Leo; Leo Premium $14.99/month; Brave VPN $9.99/month | Free; its AI runs on your own Claude or ChatGPT plan |
| AI | An agent that works in pages, on its own AI service | Chat about pages, on its own AI or yours | An agent that works in pages, on your Claude or ChatGPT plan |
| Driven by outside agents | No | No | MCP and a command line |
| Engine | Chromium | Chromium | WebKit |
| Tabs down the side | A setting | A setting | Yes |
| Spaces | Not stated | No | Yes |
| Split View | Not stated | Yes | Yes |
| Extensions | Chrome Web Store | Chrome Web Store | Chrome Web Store |
| Ad blocker | Not stated | Built in | Built in |
| Open source | No | Yes | No |
Checked October 9, 2026 on each maker’s own pages, linked under Sources. Prices are per month, in US dollars.
Where they differ
What separates them, area by area. Where one plainly has more, it says who; where it comes down to taste, it says so.
AIAtlas leads
Only Atlas has an agent that clicks, types and finishes tasks in your pages. Atlas put ChatGPT beside every page, with optional browser memories and, on paid plans, an agent mode; it no longer works. Leo chats about your tabs, PDFs and images, with no account, on Brave’s models or your own; an agent is in early testing behind a flag, in a separate profile without your sign-ins.
Tabs and windowsBrave leads
Atlas has tabs down the side as a setting and folders in the sidebar. Brave has tabs down the side as a setting, Split View, folders in the sidebar and tabs that sleep.
PriceBrave leads
Atlas: Shut down; it was free, with agent mode on paid ChatGPT plans. Brave: Free, with Leo; Leo Premium $14.99/month; Brave VPN $9.99/month.
Where it runsBrave leads
Atlas runs on Mac. Brave runs on Mac, Windows, Linux, iPhone and Android. On a Mac, Atlas needs macOS 14.2 or later and Brave needs macOS 13 or later. Atlas has no phone app: Atlas was Mac only and shut down on Aug 9, 2026. On the phone, Brave: iPhone, iPad and Android; syncs tabs, bookmarks, passwords and history, no account.
Engine and extensionsa matter of taste
Both are built on Chromium, as Chrome is, so sites work as they do in Chrome. Both take extensions from the Chrome Web Store.
PrivacyBrave leads
Atlas has no ad blocker of its own. Atlas summed up pages for browser memories and deleted the originals; training on browsing was off by default. Brave has an ad blocker built in, a VPN and open code. Brave says Leo doesn’t keep or share chats, doesn’t train on them and doesn’t collect identifiers like IP addresses.
UpdatesBrave leads
Atlas: OpenAI shut Atlas down on August 9, 2026: it may not open, runs no agent tasks and gets no security updates. Brave is updated as usual.
What their pages don’t lead with
Real limits, from the makers’ own words and our own use.
ChatGPT Atlas
- Shut down on August 9, 2026, with no more security updates
- Was Mac only, on Apple silicon
- Bookmarks, tabs and history had to be exported by hand
- Agent mode needed a paid ChatGPT plan
Brave
- More Leo models and higher limits need Leo Premium at $14.99 a month
- Its AI agent is an early test behind a flag, without your sign-ins
- The VPN is $9.99 a month extra
- Tabs down the side are a setting, and there are no spaces
Yab, honestly
- Mac only: macOS 15.4 or later, no Windows, iPhone or Android
- New: first released in September 2026
- Its AI needs a Claude or ChatGPT plan; ChatGPT’s free plan may work with low limits
- WebKit, as in Safari: a site tested only in Chrome can misbehave
- Closed source
What changed lately
- August 9, 2026Atlas: Atlas shut down
- July 9, 2026Atlas: OpenAI said it will sunset Atlas for the new ChatGPT desktop app
- July 2, 2026Brave: Containers added in Brave 1.92 for separate cookies per tab
- June 4, 2026Brave: Brave Origin launched: a paid, minimal Brave without Leo, Rewards, Wallet and VPN
- May 5, 2026Brave: Leo agentic AI browsing opened for early testing on all release channels, behind a flag
- October 21, 2025Atlas: Launched for macOS
Questions
Is ChatGPT Atlas free?
It no longer works. Shut down; it was free, with agent mode on paid ChatGPT plans.
Is Brave free?
Yes, with limits on its AI. Free, with Leo; Leo Premium $14.99/month; Brave VPN $9.99/month.
Which has an AI agent, Atlas or Brave?
Atlas. Atlas put ChatGPT beside every page, with optional browser memories and, on paid plans, an agent mode; it no longer works. Leo chats about your tabs, PDFs and images, with no account, on Brave’s models or your own; an agent is in early testing behind a flag, in a separate profile without your sign-ins.
Which runs on Windows, Atlas or Brave?
Brave does. Atlas runs on Mac.
Do Atlas and Brave have phone apps?
Brave does. Atlas has no phone app: Atlas was Mac only and shut down on Aug 9, 2026. On the phone, Brave: iPhone, iPad and Android; syncs tabs, bookmarks, passwords and history, no account.
Is ChatGPT Atlas shut down?
OpenAI shut Atlas down on August 9, 2026: it may not open, runs no agent tasks and gets no security updates.
Is there a third option on a Mac?
Yab, Yet Another Browser, is free for the Mac: tabs down the side as in Arc, with spaces, folders and Split View; an agent in your signed-in tabs like Atlas’s, on the Claude or ChatGPT plan you already pay for. Claude Code, Codex and any MCP client can drive it too. It runs on WebKit, the engine Safari uses, and takes Chrome extensions. It is Mac only, and new.
More comparisons
- OpenAI help: Evolving Atlas into ChatGPT (retirement notice)
- OpenAI help: Atlas release notes (vertical tabs, tab groups, imports, profiles)
- OpenAI help: Getting started with Atlas (macOS 14.2, Apple silicon)
- OpenAI help: Setting up Atlas (imports, password manager)
- OpenAI help: Atlas data controls and privacy
- 9to5Mac: OpenAI is discontinuing Atlas (Jul 9, 2026, James Sun quote)
- 9to5Mac: what happens when Atlas shuts down (Aug 4, 2026)
- TechRepublic: Atlas shuts down Aug 9
- TechCrunch: Atlas launch (Oct 21, 2025)
- Wikipedia: ChatGPT Atlas (Chromium, timeline)
- OpenAI Help: ChatGPT Atlas retirement
- OpenAI Help: ChatGPT release notes (Jul 9, 2026 deprecation entry)
- TechRadar: Atlas for macOS, Windows, iOS and Android ’coming soon’ (Oct 2025)
- Brave Leo page
- Brave blog: AI browsing early testing (updated 2026-05-05)
- Brave Premium prices
- Brave Origin page
- Brave blog: Brave Origin launch
- Brave blog: Containers (v1.92)
- Brave blog: vertical tabs
- Brave desktop changelog (split view, tab groups, memory)
- What’s new in Brave desktop
- Brave Help: system requirements
- Brave release v1.97.56 notes
- Brave Help: import or export browsing data
- Brave: import passwords via CSV
- brave-browser repository (open source)
- Brave blog: Sync v2 for desktop and Android (Aug 13, 2020)
- Brave Help Center: How do I set up Sync?
- Brave release notes (iOS: Sync Chain and Tabs on Other Devices, 2026)
- Brave iOS source: sync types (bookmarks, history, passwords, open tabs)
- Brave on the App Store (iPhone and iPad)
- Brave on Google Play
- Yab Manual: Bringing in from another browser
- Yab Manual: Connecting Claude or ChatGPT
- Yab Manual: Extensions
- Yab Manual: Yab’s tools over MCP
- Yab Manual: Privacy
Yab, Yet Another Browser.
Free for the Mac. Arc’s sidebar, your own Claude or ChatGPT as the agent, Chrome extensions on WebKit.