GR-1 vs Sophia: Specs, Price & ROS Support Compared (2023)
Fourier Intelligence vs Hanson Robotics — independent, side-by-side analysis.
Quick Verdict
GR-1 leads in higher payload, while Sophia leads in more DOF. The two robots are evenly matched, each excelling in different areas.
GR-1
Fourier Intelligence
Sophia
Hanson Robotics
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GR-1 Sophia
Specifications
~$150,000–$170,000 historically; discontinued and replaced by GR-2 (2024) and GR-3 (2025)PriceContact (R&D version available)
165 cmHeight167 cm
55 kgWeight20 kg
40DOF83
50 kgPayload1.2 kg
1hRuntime—
1.39 m/sSpeed—
YesStairsNo
NoLiDARNo
NVIDIA Isaac Lab ecosystemComputeIntel Core i7, 32 GB RAM
Ecosystem Openness
65
GR-1
/100
40
Sophia
ROS + Isaac Lab + MuJoCo. Growing research community.
Hanson AI SDK + OpenCog. Ubuntu. Partial ROS. Niche community.
Pros and cons at a glance
GR-1
Pros
- High rated payload (50 kg) for industrial pick-and-place
- 40 degrees of freedom — full-body articulation
Cons
- Discontinued by the manufacturer
- Unit price not publicly disclosed (quote-on-request or enterprise-only)
- Short runtime (60 min) — frequent recharging or battery swaps
Sophia
Pros
- Shipping to customers (verified commercial availability)
- 83 degrees of freedom — full-body articulation
Cons
- Unit price not publicly disclosed (quote-on-request or enterprise-only)
- Low rated payload (1.2 kg) — research or light-handling tasks only
- Cannot navigate stairs — restricts deployment environments
Frequently asked questions
How do GR-1 and Sophia compare on price?
GR-1: ~$150,000–$170,000 historically; discontinued and replaced by GR-2 (2024) and GR-3 (2025). Sophia: Contact (R&D version available).
Which has higher payload: GR-1 or Sophia?
GR-1 rates a higher payload at 50 kg vs 1.2 kg. Payload ratings are vendor claims and do not always include a duty cycle — peak vs sustained payload can differ significantly.
Is GR-1 or Sophia actually available to buy?
GR-1 has been discontinued. Sophia is shipping to customers. Status reflects the vendor's published commercial position as of the last review and can change between announcement and actual delivery.
Last updated: 2023