Herman Miller Cosm High Back vs Generation by Knoll

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

Herman Miller

Herman Miller Cosm High Back

$1,925 – $2,400

Knoll

Generation by Knoll

$1,653 – $1,886

50 lb

higher rated load for Herman Miller Cosm High Back than Generation by Knoll (official specs)

Differences at a glance

Herman Miller Cosm High BackGeneration by Knoll

Price: $1,925 – $2,400$1,653 – $1,886
Seat height: 14.8–21.4 in (37.6–54.4 cm)16.5–21.75 in (Thin Seat Foam); 17.25–22.5 in (Ultra Seat Foam)
Seat depth: 15.9 in (40.4 cm)15.75–18.75 in with arms, 15.75–18.25 in armless (Ultra); 15–18 in with arms, 15–17.5 in armless (Thin)
Load capacity: 350 lb (158.8 kg)300 lb (136.1 kg)
Arms: Leaf Arms; Height-Adjustable Arms; Fixed Arms; No Arms; Arm Height: 7.3–11.7"Arm height from seat 6.625–11.125 in (Thin) / 6.125–10.625 in (Ultra); High performance arm pads adjust 2 in width (1 per arm), 1.5 in depth and pivot 45°
Warranty: 12-year, 3-shift warranty, with limited exceptions12-year warranty (terms and conditions apply)

From 33 Herman Miller Cosm High Back and 2 Generation by Knoll user reviews, most mentioned first. Green is liked, orange is a caution.

Comfort
Herman Miller Cosm High Back31 mentions
Generation by Knoll6 mentions
Adjustability
Herman Miller Cosm High Back31 mentions
Generation by Knoll2 mentions
Design
Herman Miller Cosm High Back23 mentions
Generation by Knoll5 mentions
Recline and tilt
Herman Miller Cosm High Back19 mentions
Generation by Knoll1 mention
Size and fit
Herman Miller Cosm High Back13 mentions
Generation by Knoll0 mentions
Armrests
Herman Miller Cosm High Back12 mentions
Generation by Knoll1 mention

Which is cheaper, the Herman Miller Cosm High Back or the Generation by Knoll?

The Generation by Knoll is cheaper to start: $1,653 versus $1,925 for the Herman Miller Cosm High Back at the brand stores (Oct 2026).

Which has a higher weight capacity?

The Herman Miller Cosm High Back, rated for 350 lb versus 300 lb for the Generation by Knoll.

What do owners mention most?

Comfort for the Herman Miller Cosm High Back, and comfort for the Generation by Knoll, based on review summaries.