Sprout vs Walker S2
Fauna Robotics vs UBTech Robotics — specs, price, and data-backed comparison.
SPECIFICATIONS COMPARED
| Sprout | Walker S2 | |
|---|---|---|
| Company | Fauna Robotics | UBTech Robotics |
| Category | Humanoid | Humanoid |
| Price: | Not announced | Not announced |
| Released: | — | 2025 |
| Weight | 22.7 kg (under 23 kg, ~50 lb). | — |
| Payload | — | 15 kg |
| Degrees of Freedom | 29 | — |
| Software / AI | full software stack including walking, perception, navigation, autonomy, expressive gestures; supports vision-language models, autonomy stacks, on-device inference. | — |
Buying guides and prices
FREQUENTLY ASKED QUESTIONS
What is the difference between the Sprout and the Walker S2?
Sprout is made by Fauna Robotics, while Walker S2 is made by UBTech Robotics. Both are humanoids, so the differences come down to price and specifications.