Fourier GR-2 vs Sanctuary AI Phoenix

Dataset date: 2026-09-20

175 cmhuman
payload 3 kg (claimed)
ClaimedC175 cm1Fourier GR-2
payload 20.5 kg (claimed)
ClaimedC170 cm2Sanctuary AI Phoenix

Height to scale. Width is schematic, derived from weight; not a measured body width.

Fourier GR-2Fourier GR-2: announced 2024-09-30, no dated delivery evidence
Sanctuary AI PhoenixSanctuary AI Phoenix: announced 2023-05-16, no dated delivery evidence

open outline: claimed → demonstrated · hatched: demonstrated · filled dot: first delivery recorded

Evidence sheet

PropertyFourier GR-2Sanctuary AI PhoenixDifference
Height (cm)ClaimedC175 cm1ClaimedC170 cm2-5 cm
Weight (kg)ClaimedC63 kg1ClaimedC57.9 kg2-5.1 kg
Degrees of freedomClaimedC533ClaimedC202-33 DoF
Walking speed (km/h)no sourced valueClaimedC4.8 km/h2no sourced value
Payload (kg)ClaimedC3 kg1ClaimedC20.5 kg2+17.5 kg
Battery runtime (min)no sourced valueno sourced valueno sourced value
HandsClaimedC12 DoF per hand, tactile sensors3no sourced value—
Latest priceno sourced valueno sourced value—
Announced2024-09-3032023-05-162-16 mo
First customer deliveryno sourced valueno sourced valueno sourced value
Delivery statusclaimeddemonstrated—

Notes

  1. single-arm load capacity of 3 kg (6.6 lb.) (accessed 2026-09-20) — source
  2. 55 lbs (20.5 kg) (accessed 2026-09-20) — source
  3. 53 degrees of freedom (accessed 2026-09-20) — source

Cite this comparison: https://humanoidrecord.com/compare/fourier-gr-2-vs-sanctuary-ai-phoenix/ (accessed 2026-09-20)

Correct this comparison or email corrections@humanoidrecord.com.