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Proton vs GE-Proton: catalog facts
Proton	GE-Proton
Free Free and open source, distributed through Steam.	Free Free, with source published on GitHub.
Linux	Linux
Integrated into Steam with no setup Bundles DXVK and other translation layers	Extra patches beyond Valve's official Proton Can be chosen per game in Steam
Linux only Tied to the Steam client for normal use	Must be installed manually or with a helper tool Not an official Valve release
Downloadable app	Downloadable app
Open source	Open 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 September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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