Supercluster

• Elon Musk's xAI closed a $6 billion Series C on April 25, 2026, backed by Sequoia and a16z, to build a 100,000-GPU supercluster in Memphis, Tennessee. • Funding supports Grok-3 development, targeting 5x faster inference than GPT-5, with first phase online by December 2026. • Initiative aims to repatriate AI compute to US soil, creating 1,200 high-tech jobs amid national security concerns over overseas data centers.

• Elon Musk's xAI announced a $6 billion Series C funding round on April 19, 2026, led by Sequoia Capital, valuing the startup at $24 billion post-money. • Funds will expand the Colossus supercomputer in Memphis, Tennessee, to 300,000 Nvidia GPUs for Grok AI training. • Investment accelerates US AI infrastructure race, countering China's advances and supporting domestic chip production.