Opera alternatives.

Edge is Microsoft’s Chromium browser on every desktop and phone, with Copilot built in. Since Copilot Mode was retired in May 2026, its agent, Browse with Copilot, comes with Microsoft 365 Premium in the US.

Keeps: tabs down the side (as a setting), spaces, folders in the sidebar, Split View, AI chat about pages, a way in for agents like Claude Code, Chrome extensions, a Windows version, a phone app that syncs and a free price. Misses: an ad blocker.

Pick it if you use Microsoft 365 and want Copilot in the browser. The catch: Browse with Copilot needs Microsoft 365 Premium ($19.99 a month) and is US only.

Chrome is Google’s browser on every desktop and phone, with Gemini built in. Its auto browse agent works in your own signed-in Chrome on a paid Google AI plan, in the US and India.

Keeps: tabs down the side (as a setting), folders in the sidebar, Split View, AI chat about pages, a way in for agents like Claude Code, Chrome extensions, a Windows version, a phone app that syncs and a free price. Misses: spaces and an ad blocker.

Pick it if you live in Google’s apps and want Gemini across Gmail, Calendar and your tabs. The catch: Auto browse needs Google AI Pro ($19.99 a month) or Ultra, in the US and India only.

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.

Keeps: tabs down the side (as a setting), folders in the sidebar, Split View, AI chat about pages, Chrome extensions, an ad blocker, a Windows version, a phone app that syncs and a free price. Misses: spaces and a way in for agents like Claude Code.

Pick it if you want ads and trackers blocked by default. The catch: More Leo models and higher limits need Leo Premium at $14.99 a month.

Firefox is Mozilla’s open-source browser on its own engine, Gecko, on every desktop and phone. Its AI is optional: a Smart Window beta and a sidebar chatbot, all behind one switch.

Keeps: tabs down the side (as a setting), folders in the sidebar, Split View, AI chat about pages, a way in for agents like Claude Code, a Windows version, a phone app that syncs and a free price. Misses: spaces, Chrome extensions and an ad blocker.

Pick it if you want an open-source browser that isn’t Chromium. The catch: Its Smart Window AI is a beta in the US, Canada and France and needs a Mozilla account.

Opera Neon is Opera’s agent browser for Mac and Windows. Its own agents act in your live session on a $19.90 plan, and since August 2026 outside agents like Claude Code can use it free through its MCP Connector.

Keeps: spaces, AI chat about pages, a way in for agents like Claude Code, an ad blocker, a Windows version and a free price. Misses: tabs down the side, folders in the sidebar, Split View, Chrome extensions and a phone app that syncs.

Pick it if you want Claude Code or another MCP client to use a real signed-in browser, free. The catch: Opera’s own agents need the $19.90 a month plan.

Aside is an AI agent browser from a Y Combinator startup, on Chromium, for Mac and Windows. Its agent does multi-step work in the sites you are signed in to, on Aside’s own models or your ChatGPT or Claude plan.

Keeps: tabs down the side, spaces, folders in the sidebar, Split View, AI chat about pages, a way in for agents like Claude Code, Chrome extensions, an ad blocker, a Windows version and a free price. Misses: a phone app that syncs.

Pick it if you want an agent for multi-step work across your signed-in sites, on Mac or Windows. The catch: The free plan has 500 AI credits a month; more is Pro at $20 or Max at $200.

Helium is a free, open-source Chromium browser by imput, still in beta, with ads blocked by default and Google’s AI and telemetry taken out, on Mac, Windows and Linux.

Keeps: tabs down the side (as a setting), folders in the sidebar, Split View, Chrome extensions, an ad blocker, a Windows version and a free price. Misses: spaces, AI chat about pages, a way in for agents like Claude Code and a phone app that syncs.

Pick it if you want Chrome’s extensions without Google’s AI or telemetry. The catch: Still in beta.