The Browser Company's AI-native browser
Dia is the AI-native browser from The Browser Company (the team behind Arc). It builds AI directly into the tab, address bar, and writing surface — instead of bolting a sidebar chat onto a legacy browser. Dia can read every open tab, summarize across them, help you write in-place on any text field, and execute multi-step tasks across sites with your permission.
Who it's for: Mac-based knowledge workers who live in the browser, especially writers, analysts, and researchers who want cross-tab context instead of a sidebar chatbot.
The URL bar doubles as a chat prompt — search, navigate, or run a task without breaking flow.
Dia reads your open tabs (with permission), so chat answers are grounded in what you're actually looking at, not generic web context.
Inline writing help on any text field — email in Gmail, post in Twitter/X, doc in Notion — without leaving the page.
Custom "Skills" let you save and share reusable AI workflows (e.g. "summarize this news set into 5 bullets"), a step beyond simple shortcuts.
The most interesting browser AI play of 2026 — cross-tab context and in-place writing feel genuinely different from ChatGPT bolt-ons. Worth trying even if you keep Chrome as your daily driver.