$150,000PrototypeXPeng PX5: 1.5 m / 109 kg bipedal humanoid prototype (2023-24). 22 DoF, 7-DoF arms + 11-DoF hands, 3 kg/arm, ±0.05 mm precision. Predecessor to the next-gen IRON.
PX5 is the second-generation humanoid prototype from XPeng — predecessor to the 2025 next-gen IRON. The 1.5 m / 109 kg chassis pairs industry-leading bipedal walking and obstacle-crossing capabilities with self-developed high-performance joints (kr-asia.com).
Key specs: 22 DoF, ultra-lightweight humanoid arms with 7 DoF, hands with 11 DoF capable of 1 kg grip force, 3 kg max single-arm payload at 5 kg arm weight (>0.6 payload-to-weight ratio), 0.05 mm repeat positioning, full hand assembly ~430 g. Navigates indoor + outdoor terrain for over 2 hours per charge. The PX5 line evolved into the catwalk-grade IRON unveiled at XPeng AI Day November 2025.