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 humanoidsAtlas (electric) is 104 cm taller (150 vs 46 cm) than Z-Bot (Zeroth Bot). Atlas (electric) has 38 more degrees of freedom (56 vs 18) than Z-Bot (Zeroth Bot). Z-Bot (Zeroth Bot) lists at $999; Atlas (electric) is not for sale. Openness score: Atlas (electric) 0, Z-Bot (Zeroth Bot) 90 (of 100); only Z-Bot (Zeroth Bot) publishes CAD, BOM, SIM, FW and SW. Availability: Atlas (electric) not for sale, Z-Bot (Zeroth Bot) diy build.
| Field | Boston DynamicsBoston Atlas (electric) | K-Scale LabsK-Scale Z-Bot (Zeroth Bot) | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Boston Dynamics | K-Scale Labs | |
| Class | Humanoid | Humanoid | |
| Status (differs) | Active | Orphaned | |
| Availability (differs) | Not for sale | DIY build | |
| Country | United States | United States | |
| Year (differs) | 2024 | 2025 | |
| Specifications | |||
| Height (differs) | 150cm | 46cm | +104 cm (+226%) |
| Mass | 89kg | —unsourced | |
| Degrees of freedom (differs) | 56 | 18 | +38 (+211%) |
| Payload | 50kg | —unsourced | |
| Top speed | —unsourced | —unsourced | |
| Runtime | 240min | —unsourced | |
| Battery capacity | —unsourced | —unsourced | |
| Price (differs) | Not for sale | 999USD | |
| Actuators (differs) | Electric; actuators supplied by Hyundai Mobis | 18 servo motors | |
| Compute | —unsourced | —unsourced | |
| Sensors (differs) | 360-degree cameras; tactile-sensing hands | cameras, IMU (per press) | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 0/ 100 | 90/ 100 | −90 |
| CAD (25) (differs) | not public | public | |
| Bill of materials (20) (differs) | not public | public | |
| Sim model (URDF/MJCF) (20) (differs) | not public | public | |
| Firmware (15) (differs) | not public | public | |
| Software (10) (differs) | not public | public | |
| Trained policies (10) | not public | not public | |
| Verification level (differs) | L0 | L1 | |
| Sources | 3 | 3 | |
| Last checked | 2026-09-24 | 2026-09-24 | |
03
Best-documented pairs
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