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Sigma AI Browser vs Genspark AI Browser: catalog facts
Sigma AI Browser	Genspark AI Browser
Free Described by the developer as a free browser.	Free Free to download, with free on-device AI models.
Windows, macOS, Android, iOS	Windows, macOS
Built-in AI agent that acts on web pages Local Eclipse LLM keeps prompts on the device	AI agent and autopilot mode for multi-step web tasks On-device AI models that run without an internet connection
Cloud AI features send data off the device Developer and licensing details are not clearly stated	macOS version requires macOS 15 or later Closed source
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
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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