KI Altus vs Herman Miller Zeph

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

KI Altus

$881 – $1,516

Herman Miller

Herman Miller Zeph

$560 – $715

$321

lower starting price for Herman Miller Zeph than KI Altus at the brand stores

Differences at a glance

KI AltusHerman Miller Zeph

Price: $881 – $1,516$560 – $715
Seat height: 17–21.75 in (43.2–55.2 cm); 16.25–20.75 in (41.3–52.7 cm)14.75–20.25 in
Seat depth: 17.25–19.75 in (43.8–50.2 cm); 15.5–18 in (39.4–45.7 cm)17 in
Load capacity: supports up to 400 pounds350 lb
Warranty: Lifetime12 years

Which is cheaper, the KI Altus or the Herman Miller Zeph?

The Herman Miller Zeph is cheaper to start: $560 versus $881 for the KI Altus at the brand stores (Sep 2026).