Elon Musk's artificial intelligence startup xAI is expected to close a $15 billion round at a $230 billion pre-money valuation next month, sources familiar with the matter told CNBC's David Faber.

The deadline for allocation is the end of day on Tuesday, with the round expected to close on Dec. 19, the sources said.

This confirms earlier CNBC reporting that the company was raising $15 billion . The Tesla CEO later called the report on the round "False" in a post on the social media platform X .

At the time, sources told CNBC that xAI would use a large portion of the money for funding graphics processing units responsible for powering large language models.

CNBC had previously reported in September that the startup was looking to raise $ 10 billion at a $200 billion

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