RIVR Raises $22M to Bring Physical AI to Last-Mile Delivery

Key Takeaways

1. RIVR (formerly Swiss-Mile), a Zurich-based robotics startup, closed a $22 million seed round co-led by Jeff Bezos via Bezos Expeditions and HongShan, with the Amazon Industrial Innovation Fund also participating
2. RIVR robots already complete 60 to 100 parcel deliveries and roughly 20 food deliveries per robot per day, operating across Zurich, Leeds, Austin, and Boston
3. The wheel-legged robots travel at up to 15 km/h, carry up to 40 liters of cargo, cover 30 km per charge, and navigate stairs, curbs, and uneven terrain using General Physical AI
4. The seed round was followed by Amazon’s full acquisition of RIVR in March 2026, confirming the company’s central role in the future of last-mile logistics

Quick Recap

Swiss robotics startup RIVR, headquartered in Zurich and pioneering General Physical AI for last-mile delivery, has raised a $22 million seed round co-led by Jeff Bezos through Bezos Expeditions and HongShan, with participation from the Amazon Industrial Innovation Fund and Armada Investment.

The announcement has circulated across technology and venture capital communities, confirmed via investor posts and the company’s official funding disclosures. Founded in 2023 as ETH Zurich spin-off Swiss-Mile, the company rebranded to RIVR in 2025 to better reflect its expanded mission of deploying intelligent autonomous robots at the doorstep level.

RIVR’s $22M Expansion Strategy

RIVR’s founder and CEO Marko Bjelonic completed his PhD at ETH Zurich’s Robotic Systems Lab, where he became the first researcher to apply artificial neural networks to wheel-legged locomotion. That foundational work is now the engine behind RIVR’s commercial robots, which combine a hybrid wheel-leg design for speed on flat surfaces with nimble leg articulation for stairs, curbs, and obstructed paths. The entire control stack, including perception, navigation, and real-time decision-making, is handled by a custom neural network trained on real-world delivery data rather than pre-programmed route logic.

The $22 million in seed capital is earmarked for three priority areas: expanding research and development, scaling manufacturing capacity, and accelerating market entry into new geographies and logistics verticals. RIVR has set an ambitious operational goal of enabling one human operator to oversee the equivalent of 1,000 delivery operations by deploying a coordinated robot fleet. Each robot carries a 40-liter cargo volume, handles a payload exceeding 30 kg, reaches a top speed of 15 km/h, and provides roughly 30 km of range per battery charge.

The commercial traction supporting this round is not theoretical. In Zurich, RIVR partnered with Just Eat Takeaway.com for food delivery, allowing customers to select robot delivery through the JET app, receive live notifications, and retrieve orders via QR code. In Austin, Texas, RIVR began a pilot with Veho, a gig-based delivery firm, starting with a single robot and planning to scale to a fleet of 100 units as the system learns from real delivery data. In the UK, RIVR went live in Milton Keynes with Just Eat Takeaway.com in early 2026, marking another European city expansion. These are live, revenue-generating deployments, not demo events.

Last-Mile Cost Breakthrough

Last-mile delivery, specifically the final 100 yards from a delivery van to a customer’s doorstep, is consistently cited as the most costly and labor-intensive segment of the global logistics chain. Delivery drivers in the US and Europe earn between $15 and $25 per hour, and a significant portion of their working time is spent walking short distances between van and door rather than driving routes.

RIVR’s autonomous robotic companion model targets precisely this bottleneck: the robot handles the last-meter leg while human drivers manage routing and van operations, effectively multiplying per-driver throughput. The global last-mile delivery market was projected to surpass $155 billion in 2024, with a compound annual growth rate of 8.4% through 2032.

Rising e-commerce volumes, growing consumer expectations for same-day delivery, and mounting labor cost pressures across North America and Europe are accelerating corporate investment in autonomous alternatives. Amazon’s Industrial Innovation Fund, a $1 billion dedicated vehicle for logistics technology investments with a range of $10 million to $100 million per deal, is among the most active institutional backers in this space.

The Fund’s participation in RIVR’s seed round, alongside the personal conviction of Jeff Bezos, signals that this is not speculative capital but strategic infrastructure investment. Adding further weight to the context, Amazon’s full acquisition of RIVR in March 2026 has since been confirmed by multiple outlets.

The deal, announced quietly via notice to Amazon’s third-party delivery contractors, involves integrating RIVR’s robot technology with human delivery associates in real-world field tests. Amazon plans to use contractor feedback to determine how it scales the technology across its global delivery network, which already includes more than one million robots in its operations infrastructure.

Competitive Landscape

RIVR’s most directly comparable rivals in the autonomous last-mile delivery robotics space are Starship Technologies and Ottonomy. The comparison below highlights how RIVR’s technical architecture and funding profile differ from these peers.

Strategic Analysis

RIVR holds a clear technical advantage in terrain versatility. Its wheel-legged, stair-climbing design directly addresses the “last 100 yards” problem that purely wheeled sidewalk robots cannot solve, giving it a functional edge for residential urban delivery.

Starship Technologies, however, leads on scale and operational maturity with over 9 million deliveries completed, a 270-location deployment footprint across seven countries, and a fleet already at 2,700 robots targeting 12,000 by 2027. Ottonomy occupies a distinct niche focused on airport and indoor enterprise environments, with significantly less capital but a defensible vertical market.

TechnoTrenz’s Takeaway

I will be honest: when I first saw this round announced, I expected another well-funded robotics startup with slick demo videos and zero real revenue. RIVR is the opposite of that. In my experience covering funding rounds in logistics tech, the combination of actual daily deployments, paying partners like Just Eat and Veho, and a design philosophy built around the hardest part of the delivery problem (stairs, gates, porches) is rare at seed stage.

I think this is a big deal because the $22 million did not just buy RIVR credibility, it bought Amazon a front-row seat to a technology it clearly could not build fast enough internally. The subsequent full acquisition in March 2026 proved exactly that. What I find particularly compelling is the General Physical AI framing. RIVR is not pitching “a delivery robot with AI features.”

The entire locomotion and decision stack is neural-network native, trained on real delivery environments, not simulation. That is a fundamentally different product DNA than most competitors, and it gives the company a compounding data advantage as every delivery teaches the fleet. I generally prefer startups that solve for the actual bottleneck rather than the adjacent opportunity, and RIVR’s focus on the final 100 yards, the part that actually kills delivery economics, is exactly that kind of precision.