Compare software

Opera NeonSigma AI Browser
Paid

Offered as a paid subscription.

 Free

Described by the developer as a free browser.

Windows, macOS Windows, macOS, Android, iOS
  • Several agents for different kinds of tasks
  • Can read and act on the pages you have open
  • Built-in AI agent that acts on web pages
  • Local Eclipse LLM keeps prompts on the device
  • Closed source
  • Agent features depend on online AI services
  • Cloud AI features send data off the device
  • Developer and licensing details are not clearly stated
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 Not stated if it works offline

Checked September 23, 2026

Checked October 2, 2026

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