Fourier Intelligence GR-3vsROBOTIS OP3

Fourier Intelligence GR-3 leads on 4 of 7 dimensions — strongest on deployment readiness.

GR-3

2 wins

OP3

0 wins

Category breakdown

Readiness, uptime, navigation & connectivity

GR-3

72
Deployment readiness
35
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

Even

Payload, speed, runtime & labor replacement

Even

45
Labor replacement
15
71 kg total weight; no single-arm lifting capacity disclosed
Payload
~3.5 kg (total unit weight)
5 km/h
Speed
24 cm/sec (default walking speed, user-modifiable)
3 hours per charge; dual hot-swappable batteries enable 6 hours continuous operation
Battery
30 minutes per charge (1800 mAh LiPo)

Environment fit, footprint & long-term upside

GR-3

78
Environment fit
70
75
Future potential
75
Height 165 cm; width and depth not disclosed
Footprint
510 mm height; width and depth not published (~46 cm estimated height)

GR-3 · Best for

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

OP3 · Best for

University robotics labs developing bipedal walking algorithms and balance controllers

Final judgment

If immediate deployment is the priority, choose GR-3. If the goal is to be ready when OP3's capabilities mature, track it.