A lot of money, but not enough to actually to actually do a lot. They keep cutting features their "customers" like. Why?
Because development is expensive.
Google props mozilla up to pretend they don't have a monopoly on the internet. Just enough money to barely keep up, not enough to truly stay competitive.
Mozilla wants to not rely on google money, so they are trying to expand their products. AI is overhyped, but still useful, and something worth investing in.