Booster K1 vs The HopeJR
Generated from the registry · revision 2026-09-26 · openness out of 100
Booster K1 has 44 fewer degrees of freedom (22 vs 66) than HopeJR. Listed prices: Booster K1 $4,999, HopeJR $3,000. Openness score: Booster K1 30, HopeJR 90 (of 100); only HopeJR publishes CAD, BOM and FW. Availability: Booster K1 buy, HopeJR diy build.
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Side by side
■ rows differ| Field | Booster RoboticsBooster K1 | The Robot Studio & Hugging FaceThe HopeJR | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Booster Robotics | The Robot Studio & Hugging Face | |
| Class | Humanoid | Humanoid | |
| Status | Active | Active | |
| Availability (differs) | Buy | DIY build | |
| Country (differs) | China | France | |
| Year | 2025 | 2025 | |
| Specifications | |||
| Height | 95cm | —unsourced | |
| Mass | 19.5kg | —unsourced | |
| Degrees of freedom (differs) | 22 | 66 | −44 (-67%) |
| Payload | —unsourced | —unsourced | |
| Top speed | —unsourced | —unsourced | |
| Runtime | 40min | —unsourced | |
| Battery capacity | —unsourced | —unsourced | |
| Price (differs) | 4,999USD | 3,000USD | +1,999 USD (+67%) |
| Actuators (differs) | Dual-encoder actuators | Robstride 02 (humanoid body update) | |
| Compute | NVIDIA Jetson Orin NX 8GB (117 TOPS) base; up to 200 TOPS tier | —unsourced | |
| Sensors | RGB-D camera, 9-axis IMU, microphone array | —unsourced | |
| 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 (differs) | 2 | 4 | |
| Last checked (differs) | 2026-09-24 | 2026-09-25 | |
A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Booster K1, HopeJR.
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