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Opera Neon vs Aside: catalog facts
Opera Neon	Aside
Paid Offered as a paid subscription.	Free Free download; the homepage does not list paid plans.
Windows, macOS	macOS
Several agents for different kinds of tasks Can read and act on the pages you have open	AI agent works across logged-in sites Background agent tabs and scheduled tasks
Closed source Agent features depend on online AI services	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
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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