KI Altus vs Vitra Physix
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
$639
lower starting price for KI Altus than Vitra Physix at the brand stores
Differences at a glance
Sources
- Altus Seating Price List, KI ↗Checked Sep 29, 2026
- Factbook Physix 2026-EN (Vitra) ↗Checked Sep 29, 2026
- Altus Task Chair product page, KI ↗Checked Sep 29, 2026
- Manufacturer Warranty | Official Vitra Online Shop US ↗Checked Sep 29, 2026
- Vitra Online Shop US (price) ↗Checked Oct 2, 2026
KI AltusVitra Physix
- Price
- $881 – $1,516From $1,520
- Seat height
- 17–21.75 in (43.2–55.2 cm); 16.25–20.75 in (41.3–52.7 cm)390–510 mm
- Seat depth
- 17.25–19.75 in (43.8–50.2 cm); 15.5–18 in (39.4–45.7 cm)435 mm
- Arms
- Adjustable arms, fixed arms, or armlessFlexible frame and armrests in polyamide (deep black or soft grey)
- Warranty
- Lifetime5 years
Questions
Which is cheaper, the KI Altus or the Vitra Physix?
The KI Altus is cheaper to start: $881 versus $1,520 for the Vitra Physix at the brand stores (Sep 2026).
What do owners mention most?
Back support for the KI Altus, and adjustability for the Vitra Physix, based on review summaries.


