Grok 4.5 Enters Private Beta Inside SpaceX and Tesla as xAI Turns Musk's Companies Into Live Test Beds

Musk & Strategy
Written By Farzad Exclusive

xAI’s 1.5-trillion-parameter model is now running against real engineering and manufacturing work at two operating companies, landing the same week SpaceX priced a $25 billion bond debut and Tesla staged roughly 80 Cybercabs in Houston.

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