Autopilot and FSD are completely different technologies. When v12 came out it only worked on city streets, and it used V11 for the highway. Later, V12, which i

Autopilot and FSD are completely different technologies. When v12 came out it only worked on city streets, and it used V11 for the highway. Later, V12, which is the end-to-end neural network, worked on highways as well, but they use different stacks behind the scenes.