It sounds like they started producing Y's in Austin in 2021 for customers where as the wording for Berlin is clearly sounding like tests.
US: California and Texas
Builds of Model Ys started in late 2021 at Gigafactory Texas. After final certification of Austin-made Model Y, we plan to start deliveries to customers. Fremont factory achieved record production in 2021. We believe there is potential to extend overall capacity beyond 600,000 per year. We aim to maximize output from our Fremont factory while ramping new factories.
Europe: Berlin-Brandenburg
Equipment testing through the vehicle production process started late 2021. We are still in the process of finalizing the manufacturing permit from local authorities, which will allow us to start delivering German-made vehicles in Europe. These first vehicles will be built using 2170 cells