375ai

375ai builds the data layer for physical AI, providing continuous, labeled multimodal data streams from thousands of locations across America. The company deploys 375edge nodes on premium urban infrastructure equipped with six 4K cameras, ambient microphones, environmental sensors, and onboard GPU compute, turning billboards into live sensing points that capture sight, sound, and context continuously with on-device processing. Its 375go product mobilizes a global workforce of contributors using smartphones as sensors for indoor and point-of-interest data collection, shelf scanning, and ground truth verification. The platform tracks 100+ object categories frame-to-frame with motion vectors and transition dynamics, delivering data via S3, Parquet, or streaming API. With 2.7B events observed to date and 11M events per day, 375ai serves physical AI and world model teams, autonomous vehicle companies, CPG brands, and governments. Founded in 2022 and headquartered in San Francisco, California, 375ai has raised $5M in seed funding from investors including Delphi Ventures, Hack VC, Heartcore Capital, and 6MV.