Humanscale Liberty vs KI Altus

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

Humanscale

Humanscale Liberty

$1,613 – $2,326

KI Altus

$881 – $1,516

$732

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

Differences at a glance

Humanscale LibertyKI Altus

Price: $1,613 – $2,326$881 – $1,516
Seat height: 16.6–20.9 in (42.2–53.1 cm)17–21.75 in (43.2–55.2 cm); 16.25–20.75 in (41.3–52.7 cm)
Seat depth: 16.5–18.75 in (41.9–47.6 cm)17.25–19.75 in (43.8–50.2 cm); 15.5–18 in (39.4–45.7 cm)
Load capacity: 400 lb (181.4 kg)supports up to 400 pounds
Arms: Options: Fixed Duron Arms, Adjustable Duron Arms, Advanced Duron Arms, Armless, Fixed Duron Gel ArmsAdjustable arms, fixed arms, or armless
Lumbar support: Self-adjusting lumbar support; no external lumbar devicesMesh chair: optional adjustable lumbar (height and depth); fabric chair: automatic lumbar support
Warranty: 15 Years; Fabric/Cushions/Arm Pads/Casters: 5 YearsLifetime

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

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?

Comfort for the Humanscale Liberty, and back support for the KI Altus, based on review summaries.