Comet
Perplexity's AI browser with an assistant that can act on web pages
What is Comet?
Comet is a web browser from Perplexity with a built-in AI assistant that can summarize pages, manage email and carry out tasks across tabs. The browser itself is free to download. Some advanced assistant features are tied to paid Perplexity plans.
Pros
- Free
- Familiar Chromium-based browser
- Built-in cited search
Cons
- Means switching your main browser
- Best features need a paid plan
- Browser agents carry prompt-injection risk
Where Comet ranks
Alternatives
Comet alternatives
Claude in Chrome
Anthropic's browser extension that lets Claude navigate sites and act for you
Opera Neon
Opera's agentic browser that runs tasks and builds things for you
Browser Use
Open-source library and cloud for AI agents that control web browsers
ChatGPT
OpenAI's assistant with deep research, agent mode and Codex built in
Granola
Bot-free AI notepad that turns your rough notes into meeting notes
Manus
General-purpose AI agent that researches, builds slides, sites and more
Comet FAQ
What is Comet?
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Comet is a web browser from Perplexity with a built-in AI assistant that can summarize pages, manage email and carry out tasks across tabs. The browser itself is free to download. Some advanced assistant features are tied to paid Perplexity plans.
How much does Comet cost?
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Comet is free. Free browser; advanced features with Perplexity Pro or Max.
Is Comet free?
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Yes. Comet is free to use.
Is Comet an autonomous AI agent?
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We rate Comet as "Task agent": completes tasks you hand it, then reports back.
What are the best Comet alternatives?
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Popular alternatives to Comet are Claude in Chrome, Opera Neon, Browser Use, ChatGPT, Granola.