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Compare Keychron Black OSA vs GMK Metropolis R2 Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron Black OSA and GMK Metropolis R2 and view their biggest differences. The detailed comparison table allows you to see all the essential features, specifications, and benefits of each keycap at a glance. Whether you're looking for performance, value, or specific functionalities, this comparison tool helps you make an informed decision.

Model
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Main differences	Released in 2022 OSA profile 1.6mm thickness Supports 40% layouts	Released in 2023 Cherry profile Double-shot legends 1.5mm thickness Sculpted profile
Name	Name Keychron Black OSA	Name GMK Metropolis R2
Release year	Release year 2022	Release year 2023
Profile	Profile OSA	Profile Cherry
Sculpted	Sculpted	Sculpted
Material	Material ABS	Material ABS
Layout standard	Layout standard ANSI	Layout standard ANSI
Sub-Legends	Sub-Legends -	Sub-Legends -
Shine through	Shine through	Shine through
Wall thickness	Wall thickness 1.6mm	Wall thickness 1.5mm
Legend method	Legend method	Legend method Double-shot
Pudding style	Pudding style	Pudding style