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SpaceX

has signed a major computing power agreement with Reflection AI, making the open-source artificial intelligence startup the latest outside company to tap Elon Musk's Colossus infrastructure.

Under the agreement, Reflection will get immediate access to Nvidia

GB300s, top-of-the-line AI chips used to train and run advanced models, and has agreed to pay SpaceX $150 million per month beginning July 1, 2026, through 2029, according to materials viewed by CNBC.