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Dia vs Sigma AI Browser: catalog facts
DiaSigma AI Browser
Freemium

A free tier is available. Heavier use requires a paid plan.

Free

Described by the developer as a free browser.

macOS Windows, macOS, Android, iOS
  • Assistant reads your open tabs, so questions do not need copy and paste
  • Built-in AI agent that acts on web pages
  • Local Eclipse LLM keeps prompts on the device
  • macOS only and requires an account
  • The assistant sends page content to a remote service, which has privacy implications
  • 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
Account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked October 2, 2026

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