Fourier Intelligence GR-3vsunitree B2

Fourier Intelligence GR-3 leads on 2 of 7 dimensions — strongest on future potential.

GR-3

2 wins

1 wins

Category breakdown

Readiness, uptime, navigation & connectivity

Even

72
Deployment readiness
72
60
Maintenance confidence
60
Vision-led navigation (estimated)
Navigation
Vision-led navigation (estimated)
Wi-Fi / cloud fleet management (estimated)
Connectivity
Wi-Fi / cloud fleet management (estimated)

Price accessibility and ROI clarity

GR-3

Payload, speed, runtime & labor replacement

45
Labor replacement
45
71 kg total weight; no single-arm lifting capacity disclosed
Payload
40 kg (walking sustained); 120 kg (standing)
5 km/h
Speed
6 m/s
3 hours per charge; dual hot-swappable batteries enable 6 hours continuous operation
Battery
4–6 hours (45 Ah / 2250 Wh capacity); 5 hours without load for 20 km mileage, 4 hours with 20 kg load for 15 km mileage

Environment fit, footprint & long-term upside

GR-3

78
Environment fit
80
75
Future potential
68
Height 165 cm; width and depth not disclosed
Footprint
Standing: 1098 × 450 × 645 mm; Lying: 880 × 460 × 330 mm

GR-3 · Best for

Senior living communities: companionship, fall monitoring, medication reminders via natural voice.

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.