Herman Miller Cosm Low Back vs Vitra ID Soft

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

Herman Miller

Herman Miller Cosm Low Back

$1,345 – $1,820

Vitra

Vitra ID Soft

From $995

7 years

longer warranty on Herman Miller Cosm Low Back than Vitra ID Soft (official terms)

Differences at a glance

Herman Miller Cosm Low BackVitra ID Soft

Price: $1,345 – $1,820From $995
Seat height: 14.8–21.4 in (37.6–54.4 cm)400–520 mm (15¾″–20½″), measured with 64 kg load; 450 mm (17¾″) fixed seat height
Seat depth: 15.9 in (40.4 cm)400–450 mm; 380 mm
Arms: Leaf Arms; Height-Adjustable Arms; Fixed Arms; No Arms; Arm Height: 7.3–11.7"2D armrests (height, width) or 3D armrests (height, width, depth, 360° swivel); ring armrests for conference use; also without armrests. Armrest height above seat 195–295 mm (7¾″–11½″)
Warranty: 12-year, 3-shift warranty, with limited exceptions5 years (Vitra Inc. Limited Warranty, sales via the Vitra online shop)

From 3 Herman Miller Cosm Low Back and 4 Vitra ID Soft user reviews, most mentioned first. Green is liked, orange is a caution.

Which is cheaper, the Herman Miller Cosm Low Back or the Vitra ID Soft?

The Vitra ID Soft is cheaper to start: $995 versus $1,345 for the Herman Miller Cosm Low Back at the brand stores (Oct 2026).

What do owners mention most?

Recline and tilt for the Herman Miller Cosm Low Back, and price and value for the Vitra ID Soft, based on review summaries.