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BrowserOS vs Perplexity Comet: catalog facts
BrowserOS	Perplexity Comet
Free Free and open source.	Freemium A free tier is available. Full agent features require a Perplexity subscription.
Windows, macOS, Linux	Windows, macOS
Built-in AI agents that act on web pages Can use local models instead of a cloud service	Assistant can act on pages, not only summarise them
Agent features are new and still changing quickly Local models need capable hardware to run well	Requires a Perplexity account, and an agent acting on logged-in sites carries real risk Closed source
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.