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 humanoidsEngineAI PM01 is 82 cm taller (138 vs 56 cm) and 36.6 kg heavier (40 vs 3.4 kg) than ToddlerBot. EngineAI PM01 has 6 fewer degrees of freedom (24 vs 30) than ToddlerBot. Openness score: EngineAI PM01 30, ToddlerBot 100 (of 100); only ToddlerBot publishes CAD, BOM, FW and POL. Availability: EngineAI PM01 buy, ToddlerBot diy build.
| Field | EngineAI (Zhongqing Robotics)EngineAI PM01 | Stanford UniversityStanford ToddlerBot | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | EngineAI (Zhongqing Robotics) | Stanford University | |
| Class | Humanoid | Humanoid | |
| Status (differs) | Active | Research | |
| Availability (differs) | Buy | DIY build | |
| Country (differs) | China | United States | |
| Year (differs) | 2024 | 2025 | |
| Specifications | |||
| Height (differs) | 138cm | 56cm | +82 cm (+146%) |
| Mass (differs) | 40kg | 3.4kg | +36.6 kg (+1076%) |
| Degrees of freedom (differs) | 24 | 30 | −6 (-20%) |
| Payload | —unsourced | 1.48kg | |
| Top speed | 2m/s | —unsourced | |
| Runtime | 120min | —unsourced | |
| Battery capacity | —unsourced | —unsourced | |
| Price | 12,000USD | —unsourced | |
| Actuators (differs) | EngineAI electric actuators (up to 300 N·m) | servo actuators; 7 DOF/arm, 6 DOF/leg, 2 neck, 2 waist | |
| Compute (differs) | Intel N97 + NVIDIA Jetson Orin | NVIDIA Jetson Orin NX 16GB | |
| Sensors | Intel RealSense depth camera | —unsourced | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 30/ 100 | 100/ 100 | −70 |
| CAD (25) (differs) | not public | public | |
| Bill of materials (20) (differs) | not public | public | |
| Sim model (URDF/MJCF) (20) | public | public | |
| Firmware (15) (differs) | not public | public | |
| Software (10) | public | public | |
| Trained policies (10) (differs) | not public | public | |
| Verification level (differs) | L1 | L2 | |
| Sources | 3 | 3 | |
| Last checked (differs) | 2026-09-24 | 2026-09-25 | |
03
Best-documented pairs
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