This page may contain stale information. Last updated: 2026-05-02
Overview
Ineffable Intelligence is a London-based AI laboratory that launched in April 2026 with the largest seed funding round in European history ($1.1 billion). The company is developing a “superlearner” AI system that uses reinforcement learning and self-experience to discover knowledge autonomously, moving beyond the reliance on human-generated data that limits current large language models.
Founding and Leadership
- David Silver (CEO): Former Google DeepMind researcher and lead creator of AlphaGo, AlphaZero, and AlphaFold
- Former DeepMind colleagues including Wojciech Czarnecki and Junhyuk Oh
Funding
- Seed Round: $1.1 billion (April 2026)
- Valuation: $5.1 billion
- Lead Investors: Sequoia Capital, Lightspeed Venture Partners
- Other Investors: Nvidia, Google, Index Ventures, UK Sovereign AI Fund
Technical Approach
Ineffable Intelligence’s core innovation is the “superlearner” concept - an AI system that:
- Uses reinforcement learning as the primary learning paradigm
- Learns through self-experience rather than human-generated data
- Aims to surpass the limitations of transformer-based LLMs
- Targets superintelligence through autonomous discovery
This approach contrasts with mainstream LLMs that rely heavily on pre-existing human-generated data for training.
Philanthropy Commitment
David Silver has committed to donating all personal proceeds from the company to high-impact charities.
Related
- david-silver
- reinforcement-learning
- agentic-ai
- google-deepmind
- frontier-ai-labs
- uk-ai-strategy
- sequoia-capital
- lightspeed-venture-partners