Boston Dynamics Stretchvsunitree B2
Boston Dynamics Stretch leads on 5 of 7 dimensions — strongest on deployment readiness.
Stretch
2 wins
B2
1 wins
Category breakdown
Deploy & operate
Readiness, uptime, navigation & connectivity
- 88Deployment 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
- 10Price accessibility41
- 82ROI clarity58
Capability
Payload, speed, runtime & labor replacement
- 78Labor replacement45
- 23 kg (50 lbs)Payload40 kg (walking sustained); 120 kg (standing)
- Up to 2 m/s driving speedSpeed6 m/s
- Up to 16 hours with high capacity option; more than a full shift on standard chargeBattery4–6 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
- 85Environment fit80
- 81Future potential68
- Pallet-sized footprintFootprintStanding: 1098 × 450 × 645 mm; Lying: 880 × 460 × 330 mm
Stretch · Best for
Large 3PL/logistics networks scaling to 1,000+ units across regional hubs
B2 · Best for
Power grid and petrochemical facility inspections, where thermal imaging and gas sensing payloads and all-terrain mobility justify cost.
Final judgment
If immediate deployment is the priority, choose Stretch. If the goal is to be ready when B2's capabilities mature, track it.