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Perplexity Comet vs Aside: catalog facts
Perplexity Comet	Aside
Freemium A free tier is available. Full agent features require a Perplexity subscription.	Free Free download; the homepage does not list paid plans.
Windows, macOS	macOS
Assistant can act on pages, not only summarise them	AI agent works across logged-in sites Background agent tabs and scheduled tasks
Requires a Perplexity account, and an agent acting on logged-in sites carries real risk Closed source	Only a macOS build is evident Giving an agent access to logged-in accounts carries risk
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 1, 2026

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