K-Scale K-Bot vs Stanford ToddlerBot
Generated from the registry · revision 2026-09-26 · openness out of 100
K-Bot is 84 cm taller (140 vs 56 cm) and 30.6 kg heavier (34 vs 3.4 kg) than ToddlerBot. K-Bot has 10 fewer degrees of freedom (20 vs 30) and 8.52 kg more rated payload (10 vs 1.48 kg) than ToddlerBot. Both score 100/100 on openness. Availability for both: diy build.
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Side by side
■ rows differ| Field | K-Scale LabsK-Scale K-Bot | Stanford UniversityStanford ToddlerBot | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | K-Scale Labs | Stanford University | |
| Class | Humanoid | Humanoid | |
| Status (differs) | Discontinued | Research | |
| Availability | DIY build | DIY build | |
| Country | United States | United States | |
| Year | 2025 | 2025 | |
| Specifications | |||
| Height (differs) | 140cm | 56cm | +84 cm (+150%) |
| Mass (differs) | 34kg | 3.4kg | +30.6 kg (+900%) |
| Degrees of freedom (differs) | 20 | 30 | −10 (-33%) |
| Payload (differs) | 10kg | 1.48kg | +8.52 kg (+576%) |
| Top speed | —unsourced | —unsourced | |
| Runtime | 240min | —unsourced | |
| Battery capacity | —unsourced | —unsourced | |
| Price | 8,999USD | —unsourced | |
| Actuators (differs) | RobStride RS00 x2, RS02 x6, RS03 x8, RS04 x4 | servo actuators; 7 DOF/arm, 6 DOF/leg, 2 neck, 2 waist | |
| Compute (differs) | Raspberry Pi 5 | NVIDIA Jetson Orin NX 16GB | |
| Sensors | cameras, microphones, head sensor array | —unsourced | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score | 100/ 100 | 100/ 100 | = |
| CAD (25) | public | public | |
| Bill of materials (20) | public | public | |
| Sim model (URDF/MJCF) (20) | public | public | |
| Firmware (15) | public | public | |
| Software (10) | public | public | |
| Trained policies (10) | public | public | |
| Verification level (differs) | L1 | L2 | |
| Sources (differs) | 7 | 3 | |
| Last checked | 2026-09-25 | 2026-09-25 | |
A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: K-Bot, ToddlerBot.
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