List of the Best Agentic AI Browser Software in 2026

What is Brave Leo?

Brave Leo is a built-in AI chat assistant across Brave's browser on macOS, Windows, Linux, Android, and iOS that reads the active tab's content, including webpages, PDFs, Google Docs, and YouTube videos, as live context for answering questions, with no extension required. An early-access ...

What is Opera Neon?

Opera Neon is Opera's standalone, subscription-only agentic browser that runs multiple task-specific AI agents able to research topics, write code, build simple web apps or games, and execute multi-step workflows such as bookings or shopping locally in-browser for privacy. It retains Opera's ...

What is Dia?

Dia is an AI-native browser from The Browser Company, the makers of Arc, that integrates directly with a user's work tools such as Slack, Notion, Calendar, Gmail, and GitHub to generate morning briefs, synthesize information scattered across tabs and apps, answer context-aware questions about ...

What is Perplexity Comet?

Comet is a free, Chromium-based agentic browser from Perplexity with an AI agent living natively in the sidebar. It is aware of the active tab, retains context across a session, and can take actions such as summarizing articles, drafting emails, or completing purchases. It targets everyday ...