Walker S2 vs GR-2: which robot wins?
UBTech's Walker S2 against Fourier's GR-2 — price, capability, availability, and a verdict you can act on.
| Walker S2 | GR-2 | |
|---|---|---|
| EST. PRICE | Enterprise pricing | Enterprise pricing |
| HEIGHT | ~5′6″ / 170 cm* | ~5′5″ / 175 cm* |
| WEIGHT | ~65 kg* | ~63 kg* |
| PAYLOAD | ~15 kg* | ~3 kg per hand* |
| RUNTIME | Hot-swappable battery (self-swap) | ~2 hrs, swappable* |
| DEXTERITY | Dual 7-DOF arms* | 12-DOF hands with tactile sensing* |
| AVAILABILITY | Industrial only | Industrial only |
| WHICHBOT SCORE | 8.2 / 10 | 7.6 / 10 |
| OUR TAKE | The factory workhorse from China’s most established humanoid maker — famous for swapping its own battery to work around the clock. | The care-focused humanoid. Born from a rehab-robotics company, GR-2 bets that the killer app is helping humans, not just lifting boxes. |
* Prices are estimates from public statements and filings. Availability changes weekly.
Detailed comparison: Walker S2 vs GR-2
Walker S2 scores 8.2/10 in our independent evaluation; GR-2 scores 7.6/10. That 0.5999999999999996-point gap reflects real differences in capability or value, but GR-2 may still win if its strengths match your priorities.
Walker S2 is best for: Businesses evaluating proven factory humanoids with 24/7 ambitions. GR-2 is best for: Healthcare innovators and labs exploring robots that work with people, not around them.
Our scoring weighs five factors: autonomous capability, independent verification (third-party evidence scores higher than manufacturer claims), commercial deployment scale, price-to-capability ratio, and real-world availability today. Neither robot here is scored on marketing alone. Walker S2 and GR-2 are both worth evaluating — the right call depends on which robot's documented strengths match your actual workflow.
CHOOSE THE WALKER S2 IF…
- Businesses evaluating proven factory humanoids with 24/7 ambitions.
- Autonomous battery self-swap enables near-continuous operation
- Real deployments: auto plants, logistics, aircraft assembly trials
CHOOSE THE GR-2 IF…
- Healthcare innovators and labs exploring robots that work with people, not around them.
- Unique healthcare/rehabilitation pedigree and focus
- Refined dexterous hands with tactile sensing