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RIVR ONE
RIVR (formerly Swiss-Mile) · 
Switzerland · Pilot / Deployed · Visit RIVR (formerly Swiss-Mile)’s company profile →
R Switzerland · Pilot / Deployed · Visit RIVR (formerly Swiss-Mile)’s company profile →
Credit: RIVR · Source
Summary
RIVR ONE is a wheeled-legged delivery robot: four legs, each ending in a drive wheel, so it rolls on flat ground and walks stairs. It is in supervised partner pilots. Height, weight, DOF and price are Undisclosed. Every numeric spec on this row is a company claim. Year 2025 is inferred from the first named partner pilots.
Identity
Status
Pilot / Deployed
Category
Quadruped
Indicative price
Undisclosed
Type
Quadruped (wheeled variant)
Physical
HEIGHT
Undisclosed
WEIGHT
Undisclosed
PAYLOAD
over 30 kg (company claim)
Performance
DOF
Undisclosed
MAX SPEED
up to 14 km/h (RIVR claim); about 15 km/h (Just Eat Takeaway claim)
Other
CARGO VOLUME
40 L (Just Eat Takeaway pilot spec, company claim)
RANGE
over 30 km (company claim)
CHARGE
2-3 h (company claim)
DRIVE
4 legs, each ending in a drive wheel (walks stairs, rolls on flat)
PRICE
Undisclosed
Photos
Capabilities
CLAIMEDPayload over 30 kg, range over 30 km, charge 2-3 h, speed up to 14 km/h (RIVR). No datasheet. Height, weight and DOF are Undisclosed.
CLAIMEDJust Eat Takeaway pilot: about 15 km/h and 40 L cargo.
PILOTSupervised partner pilots only (Veho Austin, May 2025; Evri Barnsley trial announced Mar 2025; Just Eat Takeaway Zurich Aug 2025; Milton Keynes and Bristol Feb 2026). No public sale price.
Payload — ranked across 25 Quadruped platforms · this robot ranks #11
Comparable systems — same status tier
Resources
Product page: https://www.rivr.ai/product
Just Eat Takeaway: https://newsroom.justeattakeaway.com/en-WW/253237-just-eat-takeaway-com-pilots-physical-ai-ground-robotics-for-doorstep-delivery/ and https://newsroom.justeattakeaway.com/en-GB/261670-delivery-robots-put-the-spark-back-into-valentine-s-takeaways-in-bristol-and-milton-keynes/
Veho pilot: https://techcrunch.com/2025/05/27/veho-is-piloting-rivrs-dog-like-robots-for-last-100-yards-parcel-delivery-in-austin/
Evri: https://www.rivr.ai/stories/rivr-partners-with-evri-to-deploy-autonomous-robots-for-parcel-delivery
Year 2025 is inferred from those first partner pilots. Swiss-Mile prototype work is older and is not given a separate year here.
Amazon acquired RIVR, announced 2026-03-19, terms undisclosed: https://techcrunch.com/2026/03/19/amazon-acquires-rivr-maker-of-a-stair-climbing-delivery-robot/ ; https://www.therobotreport.com/amazon-acquires-robotic-doorstep-delivery-provider-rivr/
Same vertical as the other wheeled quadrupeds (B2-W, Go2-W, L1-W, D1 Max). Type is Quadruped (wheeled variant). Not a strict legged quadruped.