Tern AI has introduced a groundbreaking low-cost GPS alternative that functions without satellite reliance, leveraging only map data and existing vehicle sensors. Demonstrated at SXSW, the system provides accurate positioning in challenging environments where traditional GPS fails. Co-founder Brett Harrison highlighted the technology's potential to save time and costs for industries reliant on GPS. With a recent $4.4 million seed round, Tern aims to scale its solution across various vehicle models. The startup has also garnered interest from the U.S. government, showcasing its innovation in positioning technology.