A Waymo vehicle exits a charging lot on Jan. 15, 2026 in Austin, Texas.Brandon Bell | Getty ImagesAlphabet's Waymo said Thursday that its robotaxi service is now open to paying riders in Miami, kicking off a 2026 market expansion.Miami is the sixth market where Waymo offers driverless ride-hailing service, extending its lead over Tesla and Amazon-owned Zoox. As U.S. competition has lagged, Waymo's planned 2026 expansions could lock in rider demand and loyalty in the U.S.To start, Waymo will offe...