Meet Dia: A New AI-Powered Browser from the Makers of Arc

Meet Dia: A New AI-Powered Browser from the Makers of Arc

Arkadiy Andrienko

The team behind the unconventional Arc browser is back with Dia. While Arc reimagined tab management and workspaces, Dia takes a radically different approach: It turns AI into your core tool for interacting with the web.

Dia looks familiar at first glance, but features a built-in AI assistant panel on the right. This isn’t just a chatbot — it’s a proactive partner in your browsing. Crucially, it "sees" content across all your open tabs and (with permission) can access your logged-in accounts on websites. This lets it:

  • Understand context: Ask a question about an article, and it factors in not just the text but also your other open tabs or past searches.
  • Tackle tasks: Request specific info on a site, compare data between tabs, or even draft email replies.
  • Automate routines: Dia uses "Skills" — pre-built tools for common actions. For example, set rules to auto-summarize long articles or adapt message tones for different platforms. Each Skill maintains its own memory.

Most data processing happens locally on your device. When info is sent to servers (e.g., for complex queries), creators claim it’s held only "for fractions of a second."

Dia isn’t just a browser with a chatbot slapped on — it’s a rethinking of how software itself works, baking AI into the foundation of web navigation. For now, Dia is an invite-only beta for macOS, exclusive to existing Arc users. Windows and other platform versions are in development, but there’s no ETA yet.

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