Herman Miller Cosm Low Back vs Humanscale Liberty

Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

Herman Miller

Herman Miller Cosm Low Back

$1,345 – $1,820

Humanscale

Humanscale Liberty

$1,613 – $2,326

2.3 in

more seat-height adjustment on Herman Miller Cosm Low Back than Humanscale Liberty (official specs)

Differences at a glance

Herman Miller Cosm Low BackHumanscale Liberty

Price: $1,345 – $1,820$1,613 – $2,326
Seat height: 14.8–21.4 in (37.6–54.4 cm)16.6–20.9 in (42.2–53.1 cm)
Seat depth: 15.9 in (40.4 cm)16.5–18.75 in (41.9–47.6 cm)
Load capacity: 350 lb (158.8 kg)400 lb (181.4 kg)
Arms: Leaf Arms; Height-Adjustable Arms; Fixed Arms; No Arms; Arm Height: 7.3–11.7"Options: Fixed Duron Arms, Adjustable Duron Arms, Advanced Duron Arms, Armless, Fixed Duron Gel Arms
Warranty: 12-year, 3-shift warranty, with limited exceptions15 Years; Fabric/Cushions/Arm Pads/Casters: 5 Years

From 3 Herman Miller Cosm Low Back and 7 Humanscale Liberty user reviews, most mentioned first. Green is liked, orange is a caution.

Comfort
Herman Miller Cosm Low Back7 mentions
Humanscale Liberty9 mentions
Recline and tilt
Herman Miller Cosm Low Back9 mentions
Humanscale Liberty2 mentions
Design
Herman Miller Cosm Low Back5 mentions
Humanscale Liberty6 mentions
Adjustability
Herman Miller Cosm Low Back5 mentions
Humanscale Liberty4 mentions
Price and value
Herman Miller Cosm Low Back5 mentions
Humanscale Liberty4 mentions
Size and fit
Herman Miller Cosm Low Back6 mentions
Humanscale Liberty2 mentions

Which is cheaper, the Herman Miller Cosm Low Back or the Humanscale Liberty?

The Herman Miller Cosm Low Back is cheaper to start: $1,345 versus $1,613 for the Humanscale Liberty at the brand stores (Oct 2026).

Which has a higher weight capacity?

The Humanscale Liberty, rated for 400 lb versus 350 lb for the Herman Miller Cosm Low Back.

What do owners mention most?

Recline and tilt for the Herman Miller Cosm Low Back, and comfort for the Humanscale Liberty, based on review summaries.