BrowserOS vs Safari

We make Yab, the third column.facts checked Oct 9 ↓

BrowserOS is an open-source Chromium agent browser for Mac, Windows and Linux. Its agent runs on the AI you connect: an API key, a ChatGPT or Copilot plan, Claude Code or Codex, or a local model.

Safari is Apple’s browser for Mac, iPhone and iPad, on WebKit, with Apple Intelligence for summaries and tab topics. Safari 27 also lets outside agents like Claude Code drive it over MCP.

The short answer

Pick BrowserOS

if you want an open-source agent browser on your own AI keys or local models
if you want Claude Code, Codex or Cursor to drive a signed-in browser over MCP
if you use Linux

Pick Safari

if you use a Mac and an iPhone and want your tabs and passwords on both
if you want AI that runs on your Mac or on Apple’s Private Cloud Compute
if you build sites and want Claude Code or Codex to test them in WebKit

Or Yabours

if you miss Arc and want spaces, pins and folders kept, on a Mac
if you already pay for Claude or ChatGPT and want it to work in your signed-in tabs
if you want Claude Code, Codex or Cursor to drive a real browser over MCP

At a glance

BrowserOS and Safari, with Yab beside them for a Mac.

BrowserOS vs Safari
What	BrowserOS	Safari	Yab
Made by	Felafax, Inc.	Apple	Serafim Korablev
Status	Updated	Updated	Updated
Runs on	Mac, Windows and Linux	Mac and iPhone	Mac
Phone app	None; desktop only, and no Android plans as of May 2026	Built into iPhone and iPad; syncs tabs, bookmarks, history and passwords via iCloud	Not yet
Price	Free and open source; you pay your own AI provider	Free with macOS; Apple Intelligence is free on Macs with M1 or later	Free; its AI runs on your own Claude or ChatGPT plan
AI	An agent that works in pages, on its own AI or yours	Chat about pages, on its own AI service	An agent that works in pages, on your Claude or ChatGPT plan
Driven by outside agents	MCP and a command line	MCP	MCP and a command line
Engine	Chromium	WebKit	WebKit
Tabs down the side	Yes	No	Yes
Spaces	No	Yes	Yes
Split View	Yes	No	Yes
Extensions	Chrome Web Store	Safari’s, from the App Store	Chrome Web Store
Ad blocker	No	No	Built in
Open source	Yes	No	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.

AIBrowserOS leads

Only BrowserOS has an agent that clicks, types and finishes tasks in your pages. BrowserOS’s agent, in the new tab and side panel, clicks, types, fills forms and pulls out data, on the AI you connect. Apple Intelligence sums up pages, sorts tabs into topics and watches a page for price drops, and the Passwords app can change weak passwords for you; no agent that works through sites.

Agents like Claude Code and CodexBrowserOS leads

BrowserOS can be driven over MCP and a command line, through a built-in MCP server with one-click setup for Claude Code, Codex and Cursor, and a command line. Safari can be driven over MCP, through safaridriver --mcp in Safari 27, once you allow remote automation and outside agents.

Tabs and windowsBrowserOS leads

BrowserOS has tabs down the side, Split View and folders in the sidebar. Safari has spaces.

Priceeven

BrowserOS: Free and open source; you pay your own AI provider. Safari: Free with macOS; Apple Intelligence is free on Macs with M1 or later.

Where it runsBrowserOS leads

BrowserOS runs on Mac, Windows and Linux. Safari runs on Mac and iPhone. On a Mac, Safari needs macOS 15 or later. BrowserOS has no phone app: desktop only, and no Android plans as of May 2026. On the phone, Safari: built into iPhone and iPad; syncs tabs, bookmarks, history and passwords via iCloud.

Engine and extensionsa matter of taste

BrowserOS is built on Chromium, as Chrome is; Safari on WebKit, the engine Safari uses. BrowserOS takes extensions from the Chrome Web Store, Safari from the App Store, as Safari extensions.

PrivacyBrowserOS leads

BrowserOS has open code. BrowserOS sends prompts and pages only to the AI you connect, or keeps them local with Ollama or LM Studio; it sends anonymous usage analytics. Safari has no ad blocker of its own. Apple Intelligence runs on the Mac or on Private Cloud Compute, which Apple says doesn’t store what you ask or make it accessible to Apple.

What their pages don’t lead with

Real limits, from the makers’ own words and our own use.

BrowserOS

No built-in model since version 0.51: connect a provider before the agent works
Its own docs say local models are too weak for agent tasks
Before 1.0 and changing fast: Skills and Memory were pulled in June 2026
No phone apps

Safari

Apple devices only
Tabs only across the top, and no Split View of two tabs
Extensions only from the App Store, in Safari’s format
Its AI needs a Mac with M1 or later and macOS 27

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

October 5, 2026BrowserOS: Built-in model and account sign-in removed; Chromium 155 (0.51.0)
September 17, 2026Safari: Apple documented Safari 27’s MCP server for outside AI agents
September 14, 2026Safari: Safari 27 shipped with AI tab topics, Notify Me and Describe an Extension
June 17, 2026BrowserOS: Claude Code and Codex built into the agent; Skills and Memory removed (0.46.0)
March 9, 2026BrowserOS: Vertical tabs became the default (0.42.0)

Questions

Is BrowserOS free?

Yes. Free and open source; you pay your own AI provider.

Is Safari free?

Yes. Free with macOS; Apple Intelligence is free on Macs with M1 or later.

Which has an AI agent, BrowserOS or Safari?

BrowserOS. BrowserOS’s agent, in the new tab and side panel, clicks, types, fills forms and pulls out data, on the AI you connect. Apple Intelligence sums up pages, sorts tabs into topics and watches a page for price drops, and the Passwords app can change weak passwords for you; no agent that works through sites.

Which runs on Windows, BrowserOS or Safari?

BrowserOS does. Safari runs on Mac and iPhone.

Do BrowserOS and Safari have phone apps?

Safari does. BrowserOS has no phone app: desktop only, and no Android plans as of May 2026. On the phone, Safari: built into iPhone and iPad; syncs tabs, bookmarks, history and passwords via iCloud.

Is there a third option on a Mac?

Yab, Yet Another Browser, is free for the Mac: tabs down the side with spaces, folders and Split View, as in BrowserOS; an agent in your signed-in tabs like BrowserOS’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

BrowserOS vs Dia BrowserOS vs Comet BrowserOS vs Atlas BrowserOS vs Opera Neon BrowserOS vs Chrome BrowserOS vs Edge BrowserOS vs Firefox BrowserOS alternatives Yab vs BrowserOS Safari vs Chrome Edge vs Safari Firefox vs Safari Brave vs Safari Opera vs Safari Arc vs Safari Dia vs Safari Safari alternatives Yab vs Safari

Sources, read October 9, 2026. Something out of date? Write to hello@serafimlabs.io and we fix it.

Yab, Yet Another Browser.

Free for the Mac. Arc’s sidebar, your own Claude or ChatGPT as the agent, Chrome extensions on WebKit.

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