Vitra Physix vs Herman Miller Cosm Low Back

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

Vitra Physix

Vitra

Vitra Physix

From $1,520

VS
Herman Miller Cosm Low Back

Herman Miller

Herman Miller Cosm Low Back

$1,345 – $1,820

7 years

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

Differences at a glance

Vitra PhysixHerman Miller Cosm Low Back
Price
From $1,520$1,345 – $1,820
Seat height
390–510 mm14.8–21.4 in (37.6–54.4 cm)
Seat depth
435 mm15.9 in (40.4 cm)
Arms
Flexible frame and armrests in polyamide (deep black or soft grey)Leaf Arms; Height-Adjustable Arms; Fixed Arms; No Arms; Arm Height: 7.3–11.7"
Warranty
5 years12-year, 3-shift warranty, with limited exceptions

Questions

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

The Herman Miller Cosm Low Back is cheaper to start: $1,345 versus $1,520 for the Vitra Physix at the brand stores (Oct 2026).

What do owners mention most?

Adjustability for the Vitra Physix, and recline and tilt for the Herman Miller Cosm Low Back, based on review summaries.

Vitra Physix: specs, reviews, where to buy →Herman Miller Cosm Low Back: specs, reviews, where to buy →

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