Haworth Soji vs KI Altus

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

Haworth

Haworth Soji

$545

KI Altus

$881 – $1,516

$336

lower starting price for Haworth Soji than KI Altus at the brand stores

Differences at a glance

Haworth SojiKI Altus

Price: $545$881 – $1,516
Seat height: 16.4–21 in (41.7–53.3 cm)17–21.75 in (43.2–55.2 cm); 16.25–20.75 in (41.3–52.7 cm)
Seat depth: 16.25–18.75 in (41.3–47.6 cm)17.25–19.75 in (43.8–50.2 cm); 15.5–18 in (39.4–45.7 cm)
Load capacity: 350 lb (158.8 kg)supports up to 400 pounds
Arms: Fixed arms, height-adjustable arms, 4D arms, and armless options availableAdjustable arms, fixed arms, or armless
Lumbar support: Optional lumbar adjustment for personalized support within a 3.5" rangeMesh chair: optional adjustable lumbar (height and depth); fabric chair: automatic lumbar support
Warranty: 12 year warrantyLifetime

Which is cheaper, the Haworth Soji or the KI Altus?

The Haworth Soji is cheaper to start: $545 versus $881 for the KI Altus at the brand stores (Oct 2026).

What do owners mention most?

Price and value for the Haworth Soji, and back support for the KI Altus, based on review summaries.