Perplexity Comet is the first truly agentic AI-powered web browser, built on Chromium by Perplexity AI. Unlike traditional browsers with AI add-ons, Comet deeply integrates Perplexity's search technology directly into the browsing experience. The built-in AI assistant can interact with open tabs, navigate websites autonomously, fill out forms, book services, and complete shopping flows without manual intervention. Comet features a conversational voice assistant for hands-free interaction with webpages, Gmail and Google Calendar integration for scheduling and availability management, and multi-step research capabilities that compile findings across multiple tabs. Originally launched as a premium feature for Max subscribers at $200/month, Perplexity made Comet free for all account holders in October 2025. The browser is available on Windows, macOS, Android, and iOS, with consistent agentic capabilities across all platforms. Comet Plus, a $5/month add-on, provides access to paywalled journalism from major publishers including The New Yorker, Wired, The Washington Post, and Fortune.