I don't think it's valid to draw broad conclusions from the funding of a new company vs. an industry leader. If AMI builds something that looks impressive considering the funding they got, then they'll get plenty more in the next round.

1B is what Microsoft invested in Open AI in 2019[0]. That was enough to get the ball rolling.

[0] https://en.wikipedia.org/wiki/OpenAI#Creation_of_for-profit_...