Zerith Z1
Approx. $120,000

Overview
Bipedal humanoid launched in October 2024 by Zerith (Tsinghua-incubated, Hefei). Built on bionic principles with an anthropomorphic safety design: the launch version had 27 DOF and the 2025 upgrade reaches 31 DOF at 145cm and 37kg (1450x500x220mm); single-arm reach 672mm with 1.5kg payload per arm, joint peak torque 150Nm using industrial crossed-roller bearings and dual high-precision encoders; an 8-inch AMOLED flexible curved screen, 6-microphone 360-degree array and multi-view stereo vision; about 2.5h runtime with a swappable plug-in lithium battery pack; over 75% flexible-material coverage, spatial safety planning and intelligent collision avoidance, EtherCAT bus, world-model whole-body control and learning from human videos, 20kg load limit and >70% payload-to-weight ratio, 10+ complex terrains with fall self-recovery; integrates DeepSeek, Qwen, iFlytek and 10+ LLMs with offline RAG voice for research, education, industrial, retail and home-assistance scenarios.
Specifications
| Degrees of freedom | 27 |
| Load Capacity | 8 kg |
| Endurance | approx.2.5h |
| Computing Power | Industrial-grade onboard compute |
| Camera | RGB + depth sensors, LiDAR, IMU |
| Degrees of Freedom | 31( 27) |
| Terrain adaptation | 10 |