The HopeJR vs K-Scale K-Bot
Generated from the registry · revision 2026-09-26 · openness out of 100
HopeJR has 46 more degrees of freedom (66 vs 20) than K-Bot. Listed prices: HopeJR $3,000, K-Bot $8,999. Openness score: HopeJR 90, K-Bot 100 (of 100); only K-Bot publishes POL. Availability for both: diy build.
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Side by side
■ rows differ| Field | The Robot Studio & Hugging FaceThe HopeJR | K-Scale LabsK-Scale K-Bot | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | The Robot Studio & Hugging Face | K-Scale Labs | |
| Class | Humanoid | Humanoid | |
| Status (differs) | Active | Discontinued | |
| Availability | DIY build | DIY build | |
| Country (differs) | France | United States | |
| Year | 2025 | 2025 | |
| Specifications | |||
| Height | —unsourced | 140cm | |
| Mass | —unsourced | 34kg | |
| Degrees of freedom (differs) | 66 | 20 | +46 (+230%) |
| Payload | —unsourced | 10kg | |
| Top speed | —unsourced | —unsourced | |
| Runtime | —unsourced | 240min | |
| Battery capacity | —unsourced | —unsourced | |
| Price (differs) | 3,000USD | 8,999USD | −5,999 USD (-67%) |
| Actuators (differs) | Robstride 02 (humanoid body update) | RobStride RS00 x2, RS02 x6, RS03 x8, RS04 x4 | |
| Compute | —unsourced | Raspberry Pi 5 | |
| Sensors | —unsourced | cameras, microphones, head sensor array | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 90/ 100 | 100/ 100 | −10 |
| 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) (differs) | not public | public | |
| Verification level | L1 | L1 | |
| Sources (differs) | 4 | 7 | |
| 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: HopeJR, K-Bot.
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