No one grows a "billion dollars" business that quickly.

A super-fast growing company like Slack took 5 years to reach $200M in annual revenue.

Jasper.AI is growing quicker than that. $45M in annual revenue last year, targeting $75M next year.

How would we know? they’d still be private. A billion in revenue is like a public company 3-5 years after IPO. The aggregate probably is making quite a bit, though.