David Silver Exits DeepMind to Launch Ineffable Intelligence
David Silver, one of the key architects behind DeepMind‘s breakthrough in game-playing reinforcement learning, has left Google to found a new startup, Ineffable Intelligence. The company is reportedly targeting an unprecedented $1 billion seed round, a figure that would likely make it one of Europe‘s largest early-stage financings to date.
A Bold Bet Beyond Large Language Models
While the current AI race is dominated by large language models (LLMs), Ineffable Intelligence is positioning itself to pursue a different paradigm. Drawing on David Silver‘s legacy with systems like AlphaGo, the startup aims to develop a form of RL-based superintelligence that can learn to act and make decisions in complex environments, rather than merely predict text.
Why Reinforcement Learning Still Matters
Reinforcement learning focuses on agents that learn by interacting with their surroundings, receiving rewards or penalties for their actions. Advocates argue that this framework is better suited for building general-purpose decision-making systems capable of planning, strategy and long-horizon reasoning. By doubling down on this approach, Ineffable Intelligence is signaling a belief that the next wave of breakthroughs may come from combining RL with scalable compute and new training regimes, not just ever-larger text datasets.
Europe’s Bid to Stay in the AI Arms Race
The reported $1 billion seed target underscores the escalating capital requirements in frontier AI research. If achieved, such a round would cement Ineffable Intelligence as a flagship European contender in a field currently dominated by US-based players. It would also reflect growing investor appetite for alternative architectures that could complement or surpass today’s LLM-centric systems.
As David Silver transitions from research leader to startup founder, the industry will be watching whether his new venture can translate decades of academic and corporate breakthroughs in reinforcement learning into commercially viable, next-generation AI superintelligence.

