Amazon founder Jeff Bezos is returning to the CEO seat – though not at his best-known creation.

Bezos is going to be co-CEO of an AI company called Project Prometheus, marking his first operational role since handing over Amazon's reins to Andy Jassy in mid-2021 . Despite only being revealed to the world in a Monday New York Times article , his new venture can reportedly already boast $6.2 billion in funding.

Unsurprisingly, some of that cash comes from Bezos himself. After all, he is currently the world's third-richest man, with an estimated net worth of around $245 billion. But the startup's already-heaving coffers underscore a supercharged funding trend that is integral to fears over an AI bubble.

Back in July, Mira Murati's Thinking Machines Lab picked up $2 billion in funding at a

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