David Silver, a former Google DeepMind researcher, has secured $1.1 billion in funding for his new artificial intelligence startup Ineffable Intelligence. The round values the company at $5.1 billion, marking one of the largest funding rounds for an AI startup founded by a DeepMind alumnus. Sequoia and Nvidia led the investment.

The massive valuation reflects intense investor appetite for AI companies with strong technical leadership. Silver's work at DeepMind on reinforcement learning appears to have driven significant interest. The involvement of Sequoia, a top Silicon Valley venture firm, and Nvidia, the dominant AI chipmaker, signals strong industry confidence in the startup's approach despite limited public details about its technology.

The funding places Ineffable Intelligence among the most valuable AI startups globally. It represents another example of venture capital flooding into artificial intelligence, with investors seeking exposure to companies that could define the next generation of AI capabilities.