Ineffable Intelligence Raises $1.1B to Build AI Without Human Data

A newly formed artificial intelligence startup, Ineffable Intelligence, has raised $1.1 billion in funding. The company is led by David Silver, a former researcher at DeepMind. The round values the company at $5.1 billion, placing it among the fastest-growing AI ventures by valuation.

Focus on learning without human-generated data

Ineffable Intelligence aims to build what it describes as a “superlearner.” This system is designed to acquire knowledge without relying on human-generated datasets. Instead, it uses reinforcement learning, where models improve through trial and error.

This approach differs from most large language models. Typically, such models depend heavily on large volumes of human-created text. However, Ineffable’s method focuses on learning directly from experience.

Founder’s background in reinforcement learning

David Silver brings extensive experience in reinforcement learning. He is a professor at University College London and previously led reinforcement learning research at DeepMind. He spent over a decade at the company before starting this venture.

At DeepMind, Silver contributed to systems that mastered complex games. These included chess and Go, where AI programs learned without human examples. One of the most recognized systems from this work is AlphaZero.

Ambition to build a general learning system

The company states that its long-term goal is to create a system capable of discovering knowledge independently. According to its website, such a system could represent a major scientific shift.

However, the company has not shared specific timelines or commercial plans. As a result, its path to revenue remains unclear.

Strong investor interest despite early stage

Even at an early stage, Ineffable Intelligence has attracted strong investor backing. The funding round was led by Sequoia Capital and Lightspeed Venture Partners. Other participants include Index Ventures, Google, and Nvidia.

In addition, the British Business Bank and the U.K.’s Sovereign AI fund also joined the round. This reflects growing institutional interest in AI infrastructure and research-led startups.

Part of a broader trend in AI funding

Ineffable Intelligence is part of a wider trend. Startups founded by well-known AI researchers are raising large early-stage rounds. These are sometimes informally called “coconut rounds,” referring to their size compared to traditional seed funding.

Recently, AMI Labs, co-founded by AI researcher Yann LeCun, raised over $1 billion. Similarly, Recursive Superintelligence, started by Tim Rocktäschel, has reportedly secured significant funding.

London’s growing role in AI development

These developments highlight London’s position as an emerging AI hub. The presence of DeepMind continues to play a key role in this growth. The company has remained active in the city since its acquisition by Google in 2014.

Moreover, other global players are showing interest in the region. Reports suggest that new AI labs are exploring expansion near existing research centers.

Talent network from DeepMind ecosystem

The growth of such startups is also supported by a strong talent network. Many former DeepMind researchers are moving into new ventures. Some are expected to join Ineffable Intelligence in leadership roles.

This trend indicates a broader shift. Experienced researchers are increasingly building independent companies focused on next-generation AI systems.