Bittle X vs FX Navi
Quadruped robot spec comparison — Petoi vs Faraday Future.
| Spec | Bittle X | FX Navi |
|---|---|---|
| Released | 2023 | 2026-06 |
| Status | Production | Production |
| Payload | 0.45 kg | — |
| Weight | 0.29 kg | 8 kg |
| Degrees of freedom | 9 | 12 |
| Runtime | 60 min | — |
| Top speed | 0.4 m/s | — |
| Price | $299 | $2.0k |
| Robo2u Score | 51 | 72 |
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.
