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 humanoidsAsimov 1 is 50 cm shorter (120 vs 170 cm) and 35 kg lighter (35 vs 70 kg) than Phoenix. Asimov 1 lists at $20,000; Phoenix is not for sale. Openness score: Asimov 1 70, Phoenix 0 (of 100); only Asimov 1 publishes CAD, SIM, FW and SW. Availability: Asimov 1 kit, Phoenix not for sale.
| Field | Menlo Research (Asimov)Menlo Asimov 1 | Sanctuary AISanctuary Phoenix | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Menlo Research (Asimov) | Sanctuary AI | |
| Class | Humanoid | Humanoid | |
| Status (differs) | Active | Research | |
| Availability (differs) | Kit | Not for sale | |
| Country (differs) | Singapore | Canada | |
| Year (differs) | 2026 | 2023 | |
| Specifications | |||
| Height (differs) | 120cm | 170cm | −50 cm (-29%) |
| Mass (differs) | 35kg | 70kg | −35 kg (-50%) |
| Degrees of freedom | 25 | —unsourced | |
| Payload | —unsourced | 25kg | |
| Top speed | —unsourced | 1.3m/s | |
| Runtime | —unsourced | —unsourced | |
| Battery capacity | —unsourced | —unsourced | |
| Price (differs) | 20,000USD | Not for sale | |
| Actuators (differs) | CAN-bus actuators; 6 DOF/leg, 5 DOF/arm, 1 waist, 2 neck; RSU ankle with passive toes | Hydraulic hands (20 DOF total across both hands) | |
| Compute (differs) | Raspberry Pi 5 (media/network) + Radxa CM5 (motion control) | Carbon AI control system | |
| Sensors (differs) | 2MP monocular camera, stereo mic array, 6-DOF IMU, joint states | Haptic sensing in hands | |
| 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 (differs) | 3 | 2 | |
| Last checked | 2026-09-24 | 2026-09-24 | |
03
Best-documented pairs
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