In 2016 Tesla claimed to have solved the hardware problem for FSD. They lied:

https://electrek.co/2025/10/22/tesla-changes-all-cars-have-s...

Instead of "lite" versions of the software, what they should do is upgrade all cars to the latest hardware for free. Currently that's AI4.5, which soon will be made obsolete by AI5:

https://electrek.co/2026/01/26/tesla-quietly-starts-shipping...