Nvidia Alpamayo 2 Edge brings real-time, self-explaining AI to vehicles

The compact 2 billion parameter model plans driving paths, explains its choices, and runs on Nvidia DRIVE AGX Thor Nvidia wants self-driving cars to do something most human drivers never manage: explain themselves in real time. The company introduced Alpamayo 2 Edge, an open AI model that plans a vehicle’s path and lays out the reasoning behind each driving decision as it happens. The announcement came on October 21, 2026, at the GTC Berlin event. Alpamayo 2 Edge is what’s known as a vision-language-action model, or VLA. Technically, the model takes in three streams of data. These are feeds from cameras around the vehicle, navigation data, and the car’s recent movement history, which Nvidia calls ego-motion. From those inputs, it produces two outputs.

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