Fourier Intelligence Fourier Intelligence GR-3vsXPeng Iron
Side-by-side comparison of Fourier Intelligence Fourier Intelligence GR-3 and XPeng Iron: specs, price, use cases and SDKs.

Fourier Intelligence GR-3
A care-centric humanoid robot designed for emotional connection and human-centered service.

Iron
Automotive-grade humanoid from XPeng
Specifications
| Spec | Fourier Intelligence GR-3 | Iron |
|---|---|---|
| Price (USD) | $120,000 | $28,000 |
| Category | humanoid | humanoid |
| Payload | 3 kg | 20 kg |
| Runtime | 3 h | 5 h |
| Speed | null m/s | — |
| Weight | 71 kg | 70 kg |
| Degrees of Freedom | 55 | 60 |
| Battery | Dual hot-swappable batteries | — |
- Social companionship
- Service assistant
- Assisted living
- Education
- Healthcare
- Public services
- Academic research
- Automotive manufacturing
- Factory automation
When to pick which
Select the Fourier Intelligence GR-3 for high-touch environments such as assisted living facilities, clinical healthcare settings, or academic research labs focusing on human-robot interaction. While significantly more expensive at $120,000, its design prioritizes social companionship and emotional connection, which are critical for patient-facing roles. The inclusion of dual hot-swappable batteries ensures continuous uptime in 24/7 service environments, and compatibility with LeRobotDatasetV2 makes it a superior choice for researchers developing complex behavioral models. Choose this model when the deployment requires a robot capable of nuanced service tasks where human-centered safety and interaction outweigh raw lifting power.
Choose the XPeng Iron for large-scale industrial applications, specifically within automotive manufacturing or logistics hubs. At a $28,000 price point, it offers a high ROI for fleet-scale deployment. Its 20kg payload capacity is nearly seven times that of the GR-3, making it the only viable option for moving heavy components or performing factory floor automation. With a 5-hour runtime and 60 degrees of freedom, it provides the mechanical endurance and dexterity required for repetitive assembly line tasks. This is the optimal choice for industrial buyers prioritizing physical throughput, heavy-duty performance, and cost-effective scaling over social interaction capabilities.
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