Head to head · updated 2026-07-19
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.
WHICHBOT VERDICT
Neither robot is sold to consumers — both are commercial platforms. For businesses, Walker S2 edges it on our scoring (8.2 vs 7.6), but the right answer depends on your workflow: payload, shift length, and integration support matter more than headline specs.
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
Frequently asked
Which is better, the Walker S2 or the GR-2?
It depends on your goal. Businesses evaluating proven factory humanoids with 24/7 ambitions. By contrast: Healthcare innovators and labs exploring robots that work with people, not around them. Our scores: Walker S2 8.2/10, GR-2 7.6/10.
How do the prices compare: Walker S2 vs GR-2?
Walker S2: Enterprise pricing. GR-2: Enterprise pricing. Figures compiled from public sources as of July 2026; service and lease pricing is quoted per project.
Can I get either of them today?
Walker S2: Industrial only — Deployed in real industrial pilots — including automotive plants and aircraft assembly trials with Airbus — with volume orders from Chinese manufacturers. GR-2: Industrial only — Shipping to research institutions and pilot partners, with a distinctive focus: Fourier’s rehabilitation-robotics roots point GR-2 toward healthcare and human-care roles.
Full reviews
More matchups
Optimus Gen 3 vs NEO GammaOptimus Gen 3 vs G1Optimus Gen 3 vs Figure 03Optimus Gen 3 vs ApolloOptimus Gen 3 vs DigitOptimus Gen 3 vs Atlas (Electric)Optimus Gen 3 vs Walker S2Optimus Gen 3 vs H1Optimus Gen 3 vs R1Optimus Gen 3 vs Yuanzheng A2Optimus Gen 3 vs GR-2Optimus Gen 3 vs PhoenixOptimus Gen 3 vs IronNEO Gamma vs G1NEO Gamma vs Figure 03NEO Gamma vs ApolloNEO Gamma vs DigitNEO Gamma vs Atlas (Electric)NEO Gamma vs Walker S2NEO Gamma vs H1NEO Gamma vs R1NEO Gamma vs Yuanzheng A2NEO Gamma vs GR-2NEO Gamma vs PhoenixNEO Gamma vs IronG1 vs Figure 03G1 vs ApolloG1 vs DigitG1 vs Atlas (Electric)G1 vs Walker S2G1 vs H1G1 vs R1G1 vs Yuanzheng A2G1 vs GR-2G1 vs PhoenixG1 vs IronFigure 03 vs ApolloFigure 03 vs DigitFigure 03 vs Atlas (Electric)Figure 03 vs Walker S2Figure 03 vs H1Figure 03 vs R1Figure 03 vs Yuanzheng A2Figure 03 vs GR-2Figure 03 vs PhoenixFigure 03 vs IronApollo vs DigitApollo vs Atlas (Electric)Apollo vs Walker S2Apollo vs H1Apollo vs R1Apollo vs Yuanzheng A2Apollo vs GR-2Apollo vs PhoenixApollo vs IronDigit vs Atlas (Electric)Digit vs Walker S2Digit vs H1Digit vs R1Digit vs Yuanzheng A2Digit vs GR-2Digit vs PhoenixDigit vs IronAtlas (Electric) vs Walker S2Atlas (Electric) vs H1Atlas (Electric) vs R1Atlas (Electric) vs Yuanzheng A2Atlas (Electric) vs GR-2Atlas (Electric) vs PhoenixAtlas (Electric) vs IronWalker S2 vs H1Walker S2 vs R1Walker S2 vs Yuanzheng A2Walker S2 vs PhoenixWalker S2 vs IronH1 vs R1H1 vs Yuanzheng A2H1 vs GR-2H1 vs PhoenixH1 vs IronR1 vs Yuanzheng A2R1 vs GR-2R1 vs PhoenixR1 vs IronYuanzheng A2 vs GR-2Yuanzheng A2 vs PhoenixYuanzheng A2 vs IronGR-2 vs PhoenixGR-2 vs IronPhoenix vs Iron