Google Labs Unveils Disco, An Experimental Browser That Remixes The Web With Gemini 3

Google wants to kill tab overload, and it’s using Gemini 3 to do it. On December 11, Google Labs introduced Disco, an experimental browser that attempts to stop users from drowning in open pages. The project centers on a flagship feature called GenTabs, which forces scattered browsing history into cohesive, interactive applications.

Beyond Static Browsing: The GenTabs Feature

GenTabs is the engine under the hood. It tackles the browser clutter we all live with by applying "agentic" AI to the mess. Traditional browsers treat tabs like separate islands, but Disco uses Gemini 3 to read across your open pages, spot connections, and build new interfaces instantly.

Google pitches this as a way to "remix your open tabs into totally custom apps." Instead of clicking through twenty different research tabs, the browser scrapes them and automatically builds a structured dashboard or an interactive tool tailored to the task at hand. It’s a practical application of "vibe coding"—the emerging trend where AI builds software based on user intuition rather than complex syntax.

This is a major technical pivot. Chrome's previous AI features were mostly about summarizing text or finding files. Disco goes further by testing agentic capabilities, meaning the browser can actually do things—execute multi-step tasks and build dynamic overlays—rather than just letting you look at them.

Availability and Ecosystem Scale

Right now, it's hard to get in. Google has locked the initial rollout to macOS users willing to sit on a waitlist. If you're on Windows or Android, you're out of luck for this phase of the experiment.

Disco might be a standalone sandbox, but it’s built on massive infrastructure. The Gemini ecosystem supporting GenTabs already claims over 600 million active users. That gives Google a massive dataset to refine Gemini 3's capabilities before they ever think about pushing these aggressive features into a mainstream product like Chrome.

Community Reaction and Privacy Questions

Reaction from developers and early adopters has been swift. While some users are hyping the potential to "change how we use tabs forever," the excitement comes with a heavy dose of skepticism.

The utility is obvious, but the privacy trade-off is glaring. To remix your tabs, Disco essentially has to read them. Sending the contents of every active browser tab to a cloud-based LLM for processing is a privacy nightmare waiting to happen, especially for enterprise users handling sensitive data or trade secrets. It’s one thing for an AI to summarize a PDF you explicitly upload; it’s another for an agent to constantly scan your open workspace to generate apps.

As a "Labs" project, Disco is designed to provoke exactly this kind of feedback. Google is likely using this experiment to test the waters on privacy tolerance just as much as they are testing the code itself.