Fourier GR2 vs Realbotix Echo
Compare Fourier GR2 (Fourier Intelligence) and Realbotix Echo (Realbotix) side by side: degrees of freedom, weight, payload, battery life, actuators, and status.
| Spec | Fourier GR2 | Realbotix Echo |
|---|---|---|
| Manufacturer | Fourier Intelligence | Realbotix |
| Category | Humanoid | Humanoid |
| Country | China | United States |
| Degrees of freedom | 40 | 39 |
| Weight (kg) | 58 | 39.9 |
| Battery life (h) | 3 | Not disclosed |
| Payload | 15 kg | |
| Max speed | 1.5 m/s | |
| Actuators | ||
| Primary sensor | ||
| Function | Research & development | Companionship |
| Released | 2023 | 2026 |
| Status | Active | Active |
Verdict
Fourier GR2 leads on 2 of the 2 weighted dimensions both makers disclose.
Fourier GR2 leads on price ($100,000 vs Tabletop $11,950; Full Body $59,950 USD) and degrees of freedom (40 vs 39).
Left out because at least one manufacturer does not publish a figure: payload, max speed and battery life.
Fourier GR2
A high-DoF humanoid platform for research and rehabilitation, featuring Fourier's proprietary force-adaptive servo actuators and a modular dual-arm architecture.
Realbotix Echo
Realbotix's Echo companion humanoid line, launched on October 26, 2026. Echo Tabletop has 17 degrees of freedom and costs $11,950; Echo Full Body has 39 degrees of freedom, weighs about 88 lb, stands up to 77 in and costs $59,950. Deliveries are expected in the second half of 2027.