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Genspark AI Browser vs Fellou: catalog facts
Genspark AI Browser	Fellou
Free Free to download, with free on-device AI models.	Freemium Free to download, with paid plans for heavier agent use.
Windows, macOS	Windows, macOS
AI agent and autopilot mode for multi-step web tasks On-device AI models that run without an internet connection	Agent can run multi-step tasks across several websites Shows an editable action plan before it acts
macOS version requires macOS 15 or later Closed source	Browser itself is closed source Agent actions depend on AI services and an internet connection
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	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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