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Microsoft Edge is the Windows-default browser with Copilot, efficiency mode, and Microsoft account sync. Aside is a YC-backed AI agent browser built to finish work on logged-in sites, with a public path that leans macOS. Tabbit is the free multi-model Agent option on Mac and Windows.
Opens tabbit.ai or tabbit.com based on your language.
30-second verdict
Stay on Edge for Windows defaults, enterprise habits, and a free Copilot sidebar. Try Aside if you want a local-first agent on Mac that operates real logged-in tools. Choose Tabbit when Copilot is not enough and you need free Agent Mode plus Chromium extensions on both major desktops.
The third option
Tabbit keeps Chromium habits you already know, then adds Agent Mode and Skills—so you are not stuck choosing only between Edge Copilot and a Mac-first agent browser.
At a glance
Three different bets on what a browser should do next. Platform and pricing notes reflect public sites and directories as of research day—always confirm on the official download pages.
Aside
Edge
TabbitHead-to-head
Ignore directory scorecards. Decide on agent depth, Windows fit, Copilot vs real work, privacy posture, and whether you want a free multi-model path.
Aside markets an agent that uses your real logged-in sites—email, dashboards, internal tools—instead of stopping at chat. Edge Copilot helps inside Microsoft’s world but is not the same as a dedicated browser agent. Tabbit’s Agent Mode is built for multi-step tab work plus reusable Skills.
Edge still wins if your PC image, Microsoft 365, and Edge for Business policies are non-negotiable. Aside’s public download story emphasizes macOS. Tabbit covers the two desktops most knowledge workers need today: Windows and macOS—without waiting on a Mac-only agent to cover every seat.
If you only need a free sidebar assistant and already live in Edge, switching costs more than it helps. Aside is for people ready to rebuild habits around an agent-first product. Tabbit is the middle path: Chromium muscle memory with deeper Agent Mode than Copilot chat.
Aside leads the narrative on local memory, Secure Enclave framing, and approving sensitive agent actions. Edge is optimized for a Microsoft account. Tabbit focuses on explicit page/file context per task rather than ambient account coupling.
Edge Copilot is free but vendor-locked. Aside’s deeper agent work may move into paid plans—directories list about $20/mo; confirm live pricing on aside.com. Tabbit’s public beta includes Agent Mode with multiple frontier models so you can evaluate real workflows first.
Which one for you
All three can open websites. The right choice depends on what you refuse to lose.
You live on macOS and want an agent that operates across logged-in tools with on-device memory and approval gates for sensitive steps.
Efficiency mode, Microsoft sync, and Copilot in the sidebar are enough. You do not want to migrate for agent experiments.
Copilot is not finishing multi-step work, and you need multi-model Agent Mode with Chromium extensions on both desktops.
The honest part
Why Tabbit
You do not have to choose only between Windows Copilot and a Mac-first agent. Tabbit is built for people who want Agent work on the desktops they already use.
Download Tabbit on both major desktops instead of hoping a Mac-centric agent browser covers every seat on your team.
Switch GPT, Claude, Gemini, DeepSeek, Qwen and more per task—research, forms, and multi-tab workflows in one place.
Turn recurring prompts and scripts into Skills so the browser remembers how you like work done.
Keep extension muscle memory while you evaluate Agent Mode without buying a Pro seat first.
FAQ
Aside is an AI agent browser (YC-backed) designed to complete work across your logged-in websites and accounts, with a local-memory and agent password-manager story. Its public download CTA emphasizes macOS—confirm current platforms on aside.com.
For agent-style automation on logged-in sites, Aside’s pitch is sharper than Edge Copilot. For Windows defaults, enterprise policy, and a free Microsoft assistant, Edge still wins. Many people comparing Aside vs Edge also evaluate Tabbit for free multi-model Agent Mode on Windows and Mac.
Plenty of people do use Edge—especially on managed Windows PCs. The question usually means “why switch from Chrome?” Habit, extension muscle memory, and Google sync still dominate. Searching Aside vs Edge usually means you want more than another Chromium skin—you want agent work.
Aside’s public homepage CTA we reviewed leans macOS. Treat Windows availability as something to verify on the official site before you plan a team switch. Tabbit ships downloads for Windows and macOS today.
Edge for Business adds enterprise controls and work/personal separation on top of the same Chromium base. It does not turn Copilot into a full logged-in multi-site agent like Aside or Tabbit Agent Mode.
Edge for Windows defaults and Copilot. Aside for Mac-first local agent depth. Tabbit for free multi-model Agent Mode and Skills on Mac and Windows with Chromium extensions.
Download Tabbit free—multi-model Agent Mode and Skills on macOS and Windows.