UBTech Robotics Walker S2 vs Unitree Robotics G1

Dataset date: 2026-09-20

175 cmhuman
payload 15 kg (claimed)
ClaimedC176 cm2UBTech Robotics Walker S2
payload 2 kg (claimed)battery runtime 120 min (claimed)
ClaimedC132 cm3Unitree Robotics G1

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

UBTech Robotics Walker S2UBTech Robotics Walker S2: announced 2025-07-23, no dated delivery evidence
Unitree Robotics G1Unitree Robotics G1: announced 2024-05-13, first delivery recorded 2026-04-01

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

Evidence sheet

PropertyUBTech Robotics Walker S2Unitree Robotics G1Difference
Height (cm)ClaimedC176 cm2ClaimedC132 cm3-44 cm
Weight (kg)sources disagreeClaimedC35 kg3no sourced value
Degrees of freedomClaimedC522ClaimedC233-29 DoF
Walking speed (km/h)no sourced valueClaimedC7.2 km/h4no sourced value
Payload (kg)ClaimedC15 kg1ClaimedC2 kg3-13 kg
Battery runtime (min)sources disagreeClaimedC120 min3no sourced value
Handsno sourced valueno sourced value
Latest priceno sourced valueClaimedCUSD 13,5003
Announced2025-07-2322024-05-134-14 mo
First customer deliveryno sourced value2026-04-015no sourced value
Delivery statusclaimedshipped

Notes

  1. pitch 125° angle and handle 15kg payload within 0-1.8 meters workspace (accessed 2026-09-20) — source
  2. stands at an impressive height of 1.76 meters (accessed 2026-09-20) — source
  3. About 2Kg (standard); About 3Kg (EDU) (accessed 2026-09-20) — source
  4. The robot also features a fast walking speed of 2,000 mm/s (4.5 MPH). (accessed 2026-09-20) — source
  5. Our Department of Computer Science has welcomed an exciting new arrival: Alan, a humanoid robot that will support a wide range of future research. ... Alan is a Unitree G1 Edu robot (accessed 2026-09-20) — source

Cite this comparison: https://humanoidrecord.com/compare/ubtech-walker-s2-vs-unitree-g1/ (accessed 2026-09-20)

Correct this comparison or email corrections@humanoidrecord.com.