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Vessel Browser vs Genspark AI Browser: catalog facts
Vessel Browser	Genspark AI Browser
Freemium Open source; Vessel Premium costs $5.99 per month with a 7-day trial.	Free Free to download, with free on-device AI models.
Windows, macOS, Linux	Windows, macOS
AI actions shown in a real browser window with approval steps MCP control for external agent tools	AI agent and autopilot mode for multi-step web tasks On-device AI models that run without an internet connection
Early software, not recommended for sensitive accounts Linux is the only mature install target	macOS version requires macOS 15 or later Closed source
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	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
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.