GR-3 vs Walker S2: Which Is Better in 2026?
Independent spec-by-spec comparison of the Fourier GR-3 Care-bot Humanoid and UBTECH Walker S2 Industrial Humanoid. Real pricing, verified specs, no affiliate bias.
Fourier Intelligence
Estimated (Fourier publishes no list price) · Updated 2026-07
Fourier does not publish GR-3 pricing and no verified figure exists. This range is inferred from the GR series generally — the GR-2 is estimated at $150,000+ with enterprise-only availability and no North American sales channel. Treat the GR-3 as a quote-only enterprise product and expect a similar band.
UBTECH
Industry estimates (UBTECH publishes no list price) · Updated 2026-07
UBTECH does not publish a verified public price for the Walker S2. Industry estimates cluster at $68,000–$120,000 per unit at small-series volumes, with early-adopter deals reported near $90,000 and at least one source quoting $160,000. This is a quote-only enterprise product — treat every figure here as indicative.
Payload
15 kg
GR-3 is 44% more expensive than Walker S2
Price Comparison
GR-3
~$100,000–$170,000
Estimated (Fourier publishes no list price)
Walker S2
~$68,000–$120,000
Industry estimates (UBTECH publishes no list price)
✓ Lower priceThe GR-3 costs 44% more than the Walker S2.
Winner by Category
Full Spec Comparison
| Spec | GR-3 | Walker S2 |
|---|---|---|
| Payload | — | 15 kg |
| Max Speed | — | 2 m/s |
| Weight | — | 70 kg |
| Degrees of Freedom | 55 | 52 |
| Height | 165 cm | 176 cm |
| Battery Life | 3 h | 2 h |
Our Verdict
On price, the Walker S2 comes in 44% cheaper than the GR-3 — a meaningful gap if budget is the primary constraint.
**Choose the Walker S2** if you need the stronger all-round performer across specs and value.
**Choose the GR-3** if its specific strengths — such as ecosystem support — align with your use case.
Best For
GR-3
- ✓clinical and rehabilitation settings
- ✓elder care research
- ✓education
- ✓public venue interaction
Walker S2
- ✓automotive assembly
- ✓logistics and sorting
- ✓24/7 industrial shifts
- ✓quality inspection
Related Comparisons
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GR-3 vs Walker S2 — FAQ
Is the GR-3 or the Walker S2 cheaper?
The Walker S2 is cheaper at ~$68,000–$120,000, versus ~$100,000–$170,000 for the GR-3 — a 44% difference.
Which is better, the GR-3 or the Walker S2?
The Walker S2 wins on more categories overall (price, payload, precision, speed, and value). Choose the GR-3 if its specific strengths match your use case — see our verdict above.
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