Bittle X vs Qilin
Quadruped robot spec comparison — Petoi vs Kepler Robotics.
Petoi
Bittle X
47 / 100 Robo2u Score
Palm-sized open-source robot dog with voice control and coding in Python, C++ or Scratch
Kepler Robotics
Qilin
49 / 100 Robo2u Score
Hybrid-architecture heavy quadruped that can carry a rider or nearly one tonne of cargo for eight hours
| Spec | Bittle X | Qilin |
|---|---|---|
| Released | 2023 | 2026-07 |
| Status | Production | Prototype |
| Payload | 0.45 kg | — |
| Weight | 0.29 kg | 300 kg |
| Degrees of freedom | 9 | — |
| Runtime | 60 min | 480 min |
| Top speed | 0.4 m/s | — |
| Price | $299 | — |
| Robo2u Score | 47 | 49 |
Highlighted = better on that spec (lower is better for price and weight; newer for release). The Robo2u Score is a transparent composite — see the Quadruped Robots for the full field.
