EngineAI PM01 vs K-Scale Z-Bot (Zeroth Bot)
Generated from the registry · revision 2026-09-26 · openness out of 100
EngineAI PM01 is 92 cm taller (138 vs 46 cm) than Z-Bot (Zeroth Bot). EngineAI PM01 has 6 more degrees of freedom (24 vs 18) than Z-Bot (Zeroth Bot). Listed prices: EngineAI PM01 $12,000, Z-Bot (Zeroth Bot) $999. Openness score: EngineAI PM01 30, Z-Bot (Zeroth Bot) 90 (of 100); only Z-Bot (Zeroth Bot) publishes CAD, BOM and FW. Availability: EngineAI PM01 buy, Z-Bot (Zeroth Bot) diy build.
01
Side by side
■ rows differ| Field | EngineAI (Zhongqing Robotics)EngineAI PM01 | K-Scale LabsK-Scale Z-Bot (Zeroth Bot) | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | EngineAI (Zhongqing Robotics) | K-Scale Labs | |
| Class | Humanoid | Humanoid | |
| Status (differs) | Active | Orphaned | |
| Availability (differs) | Buy | DIY build | |
| Country (differs) | China | United States | |
| Year (differs) | 2024 | 2025 | |
| Specifications | |||
| Height (differs) | 138cm | 46cm | +92 cm (+200%) |
| Mass | 40kg | —unsourced | |
| Degrees of freedom (differs) | 24 | 18 | +6 (+33%) |
| Payload | —unsourced | —unsourced | |
| Top speed | 2m/s | —unsourced | |
| Runtime | 120min | —unsourced | |
| Battery capacity | —unsourced | —unsourced | |
| Price (differs) | 12,000USD | 999USD | +11,001 USD (+1101%) |
| Actuators (differs) | EngineAI electric actuators (up to 300 N·m) | 18 servo motors | |
| Compute | Intel N97 + NVIDIA Jetson Orin | —unsourced | |
| Sensors (differs) | Intel RealSense depth camera | cameras, IMU (per press) | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 30/ 100 | 90/ 100 | −60 |
| 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) | not public | not public | |
| Verification level | L1 | L1 | |
| Sources | 3 | 3 | |
| Last checked | 2026-09-24 | 2026-09-24 | |
A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: EngineAI PM01, Z-Bot (Zeroth Bot).
02