Tesla's net income has seen a significant increase from 2020 to 2023, with the latest data showing a net income of $7.94 billion as of Q4 2023. This is a substantial growth from the previous year's net income of $2.34 billion. Apple's net income has also seen growth, from $12.67 billion in 2020 to $22.96 billion in 2023 Q4. However, the growth rate is not as significant as Tesla's.