KI Altus vs Humanscale Liberty

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

KI Altus

$881 – $1,516

Humanscale

Humanscale Liberty

$1,613 – $2,326

$732

lower starting price for KI Altus than Humanscale Liberty at the brand stores

Differences at a glance

KI AltusHumanscale Liberty

Price: $881 – $1,516$1,613 – $2,326
Seat height: 17–21.75 in (43.2–55.2 cm); 16.25–20.75 in (41.3–52.7 cm)16.6–20.9 in (42.2–53.1 cm)
Seat depth: 17.25–19.75 in (43.8–50.2 cm); 15.5–18 in (39.4–45.7 cm)16.5–18.75 in (41.9–47.6 cm)
Load capacity: supports up to 400 pounds400 lb (181.4 kg)
Arms: Adjustable arms, fixed arms, or armlessOptions: Fixed Duron Arms, Adjustable Duron Arms, Advanced Duron Arms, Armless, Fixed Duron Gel Arms
Lumbar support: Mesh chair: optional adjustable lumbar (height and depth); fabric chair: automatic lumbar supportSelf-adjusting lumbar support; no external lumbar devices
Warranty: Lifetime15 Years; Fabric/Cushions/Arm Pads/Casters: 5 Years

Which is cheaper, the KI Altus or the Humanscale Liberty?

The KI Altus is cheaper to start: $881 versus $1,613 for the Humanscale Liberty at the brand stores (Sep 2026).

What do owners mention most?

Back support for the KI Altus, and comfort for the Humanscale Liberty, based on review summaries.