SpaceX officially kicking off the race to the public markets with its S1 filing last night,

as new details also emerge about Anthropic and Open AIs IPO plans for themselves.

Kate Rooney has more in today's tech check segment. Kate.

Sarah, so the race is very much on.

I am now hearing that Open AI is preparing to file for an IPO.

Confidentially, that would be as soon as Friday and is looking

to go public as soon as September.

This is according to a source familiar with that deal process, an open AI spokesperson telling

CNBC that we, they rather, are regularly evaluating a range of strategic options.

This company was last valued at more than $850 billion, at least in private markets.

It would follow the record-breaking SpaceX listing with its own AI business, which is XAI.

I am also told by sources that rival Anthropic has been getting IPO ready behind the scenes,

but that is a bit more fluid when you look at timing.

Open AI is very much planting the flag here with Wall Street to get out first.

And get ahead of its biggest competitor right now.

Anthropic bankers that I'm talking to keep pointing to Uber and Lyft.

If you remember that rivalry, being first lets the company set the benchmarks,

justify losses, especially in this case, and then tell their story to the street.

Some new eye-popping

numbers, guys, from Anthropic highlight why Open Eye might be extra motivated to get out first. We

are hearing that Anthropic right now is on track to generate $10.9 billion in revenue for the

first quarter alone that would top all of its sales for last year and then double-anthropic sales

...