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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.

Specifications

SpecGR-1Walker 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
Shared use cases
No shared use cases
Only on GR-1
  • University research
  • Light manufacturing pilots
  • Rehabilitation R&D
  • Robotic hand teleoperation studies
Only on Walker S2
  • Factory automation
  • Logistics
  • Industrial pilots

When to pick which

When to pick GR-1

Choose the Fourier Intelligence GR-1 for university research labs or specialized R&D centers focused on high-dexterity teleoperation and heavy-lifting studies. Its 50kg payload capacity is exceptional for its 55kg frame, making it ideal for tasks requiring significant strength-to-weight ratios that the Walker S2 cannot match. The inclusion of ROS2 drivers and the Fourier OpenAI Stack makes it the superior choice for software developers needing deep integration for AI training or complex manipulation. If your deployment involves testing advanced bipedal locomotion or high-DoF hand coordination in a controlled pilot environment, the GR-1’s 40 degrees of freedom provide the necessary mechanical granularity.

When to pick Walker S2

Opt for the UBTECH Walker S2 when scaling industrial pilots in factory automation or logistics where cost-efficiency and uptime are critical. At $40,000—nearly a quarter of the GR-1's price—it allows for multi-unit deployments within a tighter budget. The 4-hour runtime significantly outperforms the GR-1, making it better suited for continuous shifts in warehouse environments or assembly line monitoring. While it has a lower payload capacity, its heavier 95kg build suggests greater stability for repetitive industrial tasks. Choose this model for practical, long-duration feasibility studies in manufacturing where battery endurance and ROI per unit are the primary constraints.

AI-generated buyer guidance based on public specs.

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