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Google's Latest Experimental Browser Turns Tabs Into Custom Mini-Apps

Disco uses Gemini 3 AI to transform open tabs and chat history into interactive web apps called GenTabs, initially available to a limited group of macOS users.

  • On Thursday, Google Labs introduced Disco, an experimental Gemini 3-powered browser that turns tabs into GenTabs and opened a macOS waitlist for early users.
  • To ease the frustration of juggling many tabs, Google built Disco to reimagine browsing by reducing friction and advancing an internal hackathon led by the Chrome team's innovation lab.
  • GenTabs are interactive widgets created from user prompts, open tabs and chat history and can be refined with natural-language commands, while Disco leverages Gemini 3 to proactively understand tabs and generate tools like a trip planner and 3D interactive model.
  • Google cautioned the experiment is early and is limiting Disco to one small group of early testers, with generative elements linking back to original sources amid privacy and hallucination concerns.
  • If successful, GenTabs could reshape how people build web tools and influence larger Google products, but they won't run inside Chrome initially and questions remain about permanence and shareability.
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Google is re-inventing what a booster can be. He announced the Disc, a new experience focused on IA and that uses GenTabs navigation

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TechCrunch broke the news in United States on Thursday, December 11, 2025.
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