I disagree because Tesla is far more automated than is Toyota. In fact we do not have enough information on which to base productivity per employee in Tesla's case, because of the number of people employed in research and development, which si not broken out.
GEORGETOWN, Ky. (October 29, 2021) – You might think Toyota Kentucky (TMMK) has seen it all during its 35-year history. But today, Toyota announced a series of changes and projects that will boost the Georgetown plant’s transformation to meet shifting customer demand, reduce its carbon footprint...
pressroom.toyota.com
Accelerate the world’s transition to sustainable energy at our hub for Model S, Model 3, Model X and Model Y production.
www.tesla.com
In raw terms it appears Tesla has >10,000 employees at Fremont and Toyota has ~9,000 employees at Georgetown.
We also need to note that Toyota calls Georgetown and 'assembly' plant and Fremont is definitely manufacturing plus R&D plus vehicle delivery.
We will all probably agree that the actual factory efficiency of Fremont is superior to that of Georgetown, but we need more data to prove that.