Ineffable Intelligence raises record $1.1B seed round at $5.1B valuation with Sequoia and Lightspeed

Ineffable Intelligence/Superlearner

Ineffable Intelligence, founded by David Silver (AlphaGo creator), closed a $1.1 billion seed round at a $5.1 billion valuation, the largest seed ever raised by a European startup. The round was co-led by Sequoia Capital and Lightspeed Venture Partners, with strategic backing from Nvidia, Google, and the UK government's Sovereign AI Fund. The company is building AI that learns without human data, using self-play and reinforcement learning.