Compare humanoids
Pick two to four robots. Every pair also has its own permanent page, 1,326 in total, generated from the same records.
01
Pick robots
52 humanoidsNo height, mass, DOF or payload figure is sourced for both Asimov 1 and UBTech Walker S (S1 / S2) yet. Openness score: Asimov 1 70, UBTech Walker S (S1 / S2) 0 (of 100); only Asimov 1 publishes CAD, SIM, FW and SW. Availability: Asimov 1 kit, UBTech Walker S (S1 / S2) buy.
| Field | Menlo Research (Asimov)Menlo Asimov 1 | UBTech RoboticsUBTech Walker S (S1 / S2) | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Menlo Research (Asimov) | UBTech Robotics | |
| Class | Humanoid | Humanoid | |
| Status | Active | Active | |
| Availability (differs) | Kit | Buy | |
| Country (differs) | Singapore | China | |
| Year (differs) | 2026 | 2023 | |
| Specifications | |||
| Height | 120cm | —unsourced | |
| Mass | 35kg | —unsourced | |
| Degrees of freedom | 25 | —unsourced | |
| Payload | —unsourced | 15kg | |
| Top speed | —unsourced | —unsourced | |
| Runtime | —unsourced | —unsourced | |
| Battery capacity | —unsourced | —unsourced | |
| Price | 20,000USD | —unsourced | |
| Actuators (differs) | CAN-bus actuators; 6 DOF/leg, 5 DOF/arm, 1 waist, 2 neck; RSU ankle with passive toes | Servo joints with force feedback | |
| Compute (differs) | Raspberry Pi 5 (media/network) + Radxa CM5 (motion control) | BrainNet 2.0 + Co-Agent (UBTech software) | |
| Sensors (differs) | 2MP monocular camera, stereo mic array, 6-DOF IMU, joint states | RGB binocular stereo vision (S2) | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 70/ 100 | 0/ 100 | +70 |
| CAD (25) (differs) | public | not public | |
| Bill of materials (20) | not public | not public | |
| Sim model (URDF/MJCF) (20) (differs) | public | not public | |
| Firmware (15) (differs) | public | not public | |
| Software (10) (differs) | public | not public | |
| Trained policies (10) | not public | not public | |
| Verification level (differs) | L1 | L0 | |
| Sources | 3 | 3 | |
| Last checked | 2026-09-24 | 2026-09-24 | |
03
Best-documented pairs
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