Quick answer

AI browsers in 2026: Arc, Dia, Perplexity Comet, Brave Leo — combined 25M+ monthly active users, growing 15%/month. They integrate AI deep into browsing — summarise any page, answer questions about your tabs, automate web tasks. Chrome's monopoly is being challenged seriously for the first time in a decade. Most knowledge workers will eventually use an AI browser by 2028.

Chrome has dominated browsers since 2010. In 2026, that dominance is being challenged by a new category: AI-native browsers. They are not just "Chrome with an AI extension" — they rethink browsing for the AI era.

What makes an AI browser different

A traditional browser is a window into the web; you read, you click, you back out. An AI browser adds a layer: AI that can see what you see, summarise it, answer questions about your tabs, and even act on your behalf. The browser itself becomes an AI collaborator, not just a display surface.

The four main contenders

  • Arc — beautiful, idiosyncratic, made by The Browser Company
  • Dia — AI-native from The Browser Company; chat is the interface
  • Perplexity Comet — built around Perplexity's AI search engine
  • Brave Leo — privacy-focused with local AI option

Why they're growing

Knowledge workers spend hours in browsers. AI features inside the browser save real time — summarising long articles, answering follow-up questions about open tabs, automating common workflows. Once a user gets used to it, going back to plain Chrome feels broken.

Growth math: AI browsers grew from ~5M MAU in early 2025 to 25M+ in May 2026 — 5x in 16 months. Chrome has 3.5B users. AI browsers are still tiny but the curve is alarming for Chrome.

What Chrome is doing

Google launched "Gemini in Chrome" features through 2025-2026 — sidebar Gemini chat, page summaries, AI-organised tabs. It is fine but late. The structural challenge: Chrome is owned by Google, which has search-ad revenue to protect, which conflicts with deep AI integration. AI browsers without that conflict can move faster.

Bottom line

AI browsers are the fastest-growing category in tech in 2026. Chrome will not die soon, but its decade-long monopoly is genuinely under threat for the first time. Try one — Dia is the most forward-looking.