K-Scale K-Bot vs Pollen Reachy 2
Generated from the registry · revision 2026-09-26 · openness out of 100
K-Bot is 26 cm shorter (140 vs 166 cm) and 16 kg lighter (34 vs 50 kg) than Reachy 2. K-Bot has 2 more degrees of freedom (20 vs 18) and 7 kg more rated payload (10 vs 3 kg) than Reachy 2. Listed prices: K-Bot $8,999, Reachy 2 $70,000. Openness score: K-Bot 100, Reachy 2 45 (of 100); only K-Bot publishes CAD, BOM and POL. Availability: K-Bot diy build, Reachy 2 buy.
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Side by side
■ rows differ| Field | K-Scale LabsK-Scale K-Bot | Pollen Robotics (Hugging Face)Pollen Reachy 2 | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | K-Scale Labs | Pollen Robotics (Hugging Face) | |
| Class (differs) | Humanoid | Wheeled humanoid | |
| Status (differs) | Discontinued | Active | |
| Availability (differs) | DIY build | Buy | |
| Country (differs) | United States | France | |
| Year (differs) | 2025 | 2024 | |
| Specifications | |||
| Height (differs) | 140cm | 166cm | −26 cm (-16%) |
| Mass (differs) | 34kg | 50kg | −16 kg (-32%) |
| Degrees of freedom (differs) | 20 | 18 | +2 (+11%) |
| Payload (differs) | 10kg | 3kg | +7 kg (+233%) |
| Top speed | —unsourced | 0.83m/s | |
| Runtime | 240min | —unsourced | |
| Battery capacity | —unsourced | 840Wh | |
| Price (differs) | 8,999USD | 70,000USD | −61,001 USD (-87%) |
| Actuators (differs) | RobStride RS00 x2, RS02 x6, RS03 x8, RS04 x4 | Orbita parallel joints (neck, wrists) | |
| Compute (differs) | Raspberry Pi 5 | SolidRun BedRock V3000 industrial PC | |
| Sensors (differs) | cameras, microphones, head sensor array | 2x IMX296 RGB, Orbbec Gemini 336 RGB-D, ToF, RPLIDAR S2, IMU, microphones | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 100/ 100 | 45/ 100 | +55 |
| CAD (25) (differs) | public | not public | |
| Bill of materials (20) (differs) | public | not public | |
| Sim model (URDF/MJCF) (20) | public | public | |
| Firmware (15) | public | public | |
| Software (10) | public | public | |
| Trained policies (10) (differs) | public | not public | |
| Verification level | L1 | L1 | |
| Sources (differs) | 7 | 3 | |
| Last checked (differs) | 2026-09-25 | 2026-09-24 | |
A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: K-Bot, Reachy 2.
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