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Phi Browser vs Genspark AI Browser: catalog facts
Phi Browser	Genspark AI Browser
Free A free download; the homepage mentions no paid plans.	Free Free to download, with free on-device AI models.
macOS	Windows, macOS
Native macOS interface on the Chromium engine Built-in AI assistant with persistent memory	AI agent and autopilot mode for multi-step web tasks On-device AI models that run without an internet connection
Apple Silicon Macs with macOS 14 or newer only Proactive AI features may not suit users who prefer a plain browser	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.