REV-1 at Ann Arbor

Refraction AI (founded 2017 in Ann Arbor, Michigan by University of Michigan professors Matthew Johnson-Roberson and Ram Vasudevan; about $4.2 million seed raised in 2021; now led by CEO Luke Schneider with teams in Ann Arbor and Austin, Texas) makes the REV-1, a distinctive three-wheeled delivery vehicle sized between a sidewalk bot and a car. The REV-1 travels up to 15 miles per hour with about a 280-pound payload and is designed for winter and snow and bicycle-courier-style operation, running primarily in the bike lane or road margin while able to use sidewalks where permitted, a regulatory regime between a sidewalk personal delivery device and a road autonomous vehicle.

A critical current-state correction: the dispatch flagged a possible wind-down or acquisition, but Refraction is verified still operating through 2024 to 2026, with the Osage Venture Partners exited label being a venture-portfolio markdown rather than a confirmed acquisition or shutdown, and counter-evidence including a new CEO, an Austin office, Chick-fil-A as a marquee client, and an active 2026 company profile, so it is not tagged discontinued. The registry records it at pilot maturity, since it is a roughly 21-person company with a named client and multi-city presence but no independently verified scale figures.

It runs a robots-as-a-service model where customers subscribe to dedicated brand-customizable robots. Any lifetime delivery count, fleet size, revenue, or live-market count is unverified, the claim that the REV-1 is discontinued in favor of a REF-1 is a likely misread of source language describing a second generation of the same design, and the precise nature of the Osage exit is unconfirmed.