Mozilla has launched Smart Window, an AI assistant built into Firefox that helps users manage research across multiple browser tabs without leaving their current page.
The tool, which evolved from an earlier concept called AI Window, works with Exa Labs to pull relevant search results and tab context—including pages visited, review sites, and shopping options—keeping everything private within the browser.
It is currently available in English for users in the United States and Canada while still in beta.
What happened
Mozilla updated its Firefox browser with Smart Window, a beta AI assistant that summarizes open tabs, retrieves search history, and provides answers without forcing users to leave their current page. The feature evolved from an earlier concept called AI Window introduced last November and works with Exa Labs Inc., an AI search company, to surface relevant results.
Why it matters
Researchers and shoppers juggling multiple tabs often lose track of what they were doing—where they found a review, which store had the best price, or what they discovered weeks ago. Smart Window keeps that context within the browser itself, private and locally, so users can pick up where they left off without starting over or remembering the exact search terms.
What to watch
Smart Window is still in beta and currently available in English for users in the United States and Canada. Mozilla plans to add a feature that learns from recent browsing journeys and automatically displays options for questions when the assistant opens, so users won't have to type the same query repeatedly.
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Smart Window represents Mozilla's attempt to solve a real friction point in how people research online: the cognitive burden of managing many open tabs and remembering where they found useful information. The feature builds on concepts Mozilla explored earlier with AI Window, introduced last November, but now adds practical capabilities—summarizing tabs, retrieving search history within context, and providing answers inline—that address the specific frustration of bouncing between multiple research sources only to forget what you learned or where you found it. By partnering with Exa Labs Inc., an AI search company, Mozilla gains the ability to surface relevant results without forcing users to open new tabs, keeping their focus and context intact.
The emphasis on privacy and local processing is deliberate positioning: Mozilla highlights that the browser already knows your research context—the tabs you have open, the sites you've visited, the things you've found—and Smart Window makes that context useful while keeping users in control. This contrasts with cloud-dependent approaches where your browsing data travels elsewhere. The tool's current availability in English for the United States and Canada, while in beta, suggests Mozilla is testing the experience before broader rollout. The planned feature to automatically surface related tabs and history based on learned browsing patterns would remove the need for users to retype queries, further reducing friction in the research workflow.
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