Fourier Intelligence GR-1vsUBTECH Walker S2
Side-by-side comparison of Fourier Intelligence GR-1 and UBTECH Walker S2: specs, price, use cases and SDKs.

GR-1
Open-platform humanoid for research + light industrial pilots

Walker S2
Swappable-battery industrial humanoid
Specifications
| Spec | GR-1 | Walker S2 |
|---|---|---|
| Price (USD) | $150,000 | $40,000 |
| Category | humanoid | humanoid |
| Payload | 50 kg | 15 kg |
| Runtime | 2 h | 4 h |
| Speed | 1.4 m/s | — |
| Weight | 55 kg | 95 kg |
| Degrees of Freedom | 40 | — |
| Battery | Li-ion swap | — |
- University research
- Light manufacturing pilots
- Rehabilitation R&D
- Robotic hand teleoperation studies
- Factory automation
- Logistics
- Industrial pilots
When to pick which
Select the Fourier Intelligence GR-1 for advanced robotics research and specialized medical R&D. This platform is ideal for university labs or rehabilitation centers conducting teleoperation studies that require high dexterity, facilitated by its 40 degrees of freedom and comprehensive ROS2 and Python SDK support. Its standout feature is the 50kg payload capacity—significantly higher than the Walker S2—making it the superior choice for light industrial pilots involving heavy lifting or power-intensive tasks. Choose this if your priority is a high-performance, open-platform research tool where mechanical capability and software flexibility outweigh initial capital expenditure.
Opt for the UBTECH Walker S2 when scaling humanoid fleets for factory automation and logistics. At a $40,000 price point, it is significantly more accessible for high-volume deployments in automotive or warehouse environments compared to the GR-1. The 4-hour runtime provides double the operational endurance, which is critical for maintaining productivity across long shifts. While it offers a lower payload, its industrial-grade build and swappable battery system are engineered for the rigors of repetitive material handling. Choose this model for ROI-focused industrial pilots where cost-per-unit and operational uptime are the primary deployment constraints.
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