Walker S2 vs Optimus Gen 3: Specs, Price & ROS Support Compared (2025)
UBTECH Robotics vs Tesla — independent, side-by-side analysis.
Quick Verdict
Walker S2 leads in more DOF, while Optimus Gen 3 leads in higher payload, faster speed. Overall, Optimus Gen 3 has an edge in 2 out of 3 compared categories.
Walker S2
UBTECH Robotics
Optimus Gen 3
Tesla
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Walker S2 Optimus Gen 3
Specifications
$90,000PriceNo official price or pre-orders; Musk target $20,000–$30,000 at scale. V3 not publicly revealed as of Sep 2026; Fremont lines being installed, first units for internal training (Q2 2026 update). Only confirmed V3 hardware figure: 22-DoF hand, 50 actuators total
176 cmHeight168 cm
73 kgWeight55 kg
52DOF50
15 kgPayload25 kg
—Runtime9h
2 m/sSpeed2.5 m/s
YesStairsYes
NoLiDARNo
N/AComputeTesla AI5 custom SoC
Pros and cons at a glance
Walker S2
Pros
- Shipping to customers (verified commercial availability)
- 52 degrees of freedom — full-body articulation
Cons
- Closed software stack — no public SDK or ROS support
Optimus Gen 3
Pros
- High rated payload (25 kg) for industrial pick-and-place
- Long runtime (9h per charge) for full-shift operation
- 50 degrees of freedom — full-body articulation
Cons
- Still in development, no commercial availability
- Unit price not publicly disclosed (quote-on-request or enterprise-only)
- Closed software stack — no public SDK or ROS support
Frequently asked questions
How do Walker S2 and Optimus Gen 3 compare on price?
Walker S2: $90,000. Optimus Gen 3: No official price or pre-orders; Musk target $20,000–$30,000 at scale. V3 not publicly revealed as of Sep 2026; Fremont lines being installed, first units for internal training (Q2 2026 update). Only confirmed V3 hardware figure: 22-DoF hand, 50 actuators total. Only one of the two has a public unit price; the other publishes a range or enterprise-only terms.
Which has higher payload: Walker S2 or Optimus Gen 3?
Optimus Gen 3 rates a higher payload at 25 kg vs 15 kg. Payload ratings are vendor claims and do not always include a duty cycle — peak vs sustained payload can differ significantly.
Is Walker S2 or Optimus Gen 3 actually available to buy?
Walker S2 is shipping to customers. Optimus Gen 3 is in active development without commercial availability. Status reflects the vendor's published commercial position as of the last review and can change between announcement and actual delivery.
Last updated: 2025
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