Comet
Perplexity's AI browser — a Chromium browser with an agent living in the sidebar that knows your current tab, keeps context across your session, and can take actions on your behalf.
TL;DR of This AI Tool
- Researchers who spend hours tabbing between sources and want an agent that tracks what they've already read.
- Solo founders shipping fast who need to automate repetitive web workflows without writing scripts.
- Power users who want AI assistance without copy-pasting context into a separate chat window.
- Anyone already in the Perplexity ecosystem looking to extend it into their daily browsing.
- Knowledge workers who do heavy web-based research and want summarization and task delegation in-context.
- Free across all platforms after Perplexity dropped the $200/month paywall in March 2026.
- Sidebar agent has live tab context — no context-switching or manual input required.
- Chromium base means extension compatibility and a familiar browsing experience.
- Cross-session memory makes it genuinely useful for multi-session research projects.
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