PAL Robotics ARIvsunitree B2
Close call. ARI and B2 trade wins across the matrix.
ARI
0 wins
B2
1 wins
Category breakdown
Deploy & operate
Readiness, uptime, navigation & connectivity
- 72Deployment readiness72
- 60Maintenance confidence60
- Vision-led navigation (estimated)NavigationVision-led navigation (estimated)
- Wi-Fi / cloud fleet management (estimated)ConnectivityWi-Fi / cloud fleet management (estimated)
Cost & ROI
Price accessibility and ROI clarity
- 70Price accessibility41
- 45ROI clarity58
Capability
Payload, speed, runtime & labor replacement
- 35Labor replacement45
- 0.5 kg arm payloadPayload40 kg (walking sustained); 120 kg (standing)
- 1.5 m/s maxSpeed6 m/s
- 8 hours with 40 Ah Li-ion battery; 12 hours with 60 Ah battery packBattery4–6 hours (45 Ah / 2250 Wh capacity); 5 hours without load for 20 km mileage, 4 hours with 20 kg load for 15 km mileage
Fit & future
Environment fit, footprint & long-term upside
- 68Environment fit80
- 75Future potential68
- Height: 1650 mmFootprintStanding: 1098 × 450 × 645 mm; Lying: 880 × 460 × 330 mm
ARI · Best for
Hospital geriatric wards — multi-modal companion for elderly patients offering emotional support and activity engagement
B2 · Best for
Power grid and petrochemical facility inspections, where thermal imaging and gas sensing payloads and all-terrain mobility justify cost.
Final judgment
Both are credible picks. Decide on cost and supplier proximity, not capability — the gap is small.

