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Ineffable Intelligence

About Ineffable Intelligence

Ineffable Intelligence is focused on innovative AI solutions beyond traditional large language models, aiming to develop superhuman intelligence capabilities. Founded by David Silver, a former principal research scientist at Google DeepMind, the company is set to revolutionize the AI landscape with groundbreaking technologies.

Business Information
Target Customers
enterprise research institutions government agencies
Industry Categories
AI, ML, Gen AI Deep Tech
Business Model
Revenue Model SaaS
Pricing Strategy Custom pricing based on enterprise needs
Sales Channels direct sales, partnerships
Funding Timeline
Round Date Amount Investors
Seed May 06, 2026 $1100.0M Sequoia Capital, NVIDIA, Google
Seed Apr 27, 2026 $5.1M Unknown
Seed Apr 27, 2026 $1.1M Sequoia Capital, NVIDIA, Google +4 more
Seed Feb 18, 2026 $1000.0M Sequoia Capital
Founders
D
David Silver

Founder & CEO

Investors
B
British Business Bank

Development Bank

G
Google

Corporate Venture Capital

I
Index Ventures

Venture Capital

L
Lightspeed

Venture Capital

N
NVIDIA

Corporate Venture Capital

S
Sequoia Capital

Venture Capital

U
U.K. Sovereign AI Fund

Sovereign Wealth Fund

Recent Mentions
GrishinRobotics
Grishin Robotics @GrishinRobotics
Feb 18, 2026

David Silver just raised what could be the largest seed round in European history: $1 billion for Ineffable Intelligence, led by Sequoia Capital at a $4 billion pre-money valuation. Why this matters beyond the headline: Silver isn't building another LLM. He's betting that the https://t.co/fk1AzfqQKy

BenRustC
Ben Ruggles @BenRustC
Apr 27, 2026

Ineffable Intelligence, a European startup focused on making first contact with superintelligence, has raised a record-breaking $1.1 billion in its Seed round, the largest ever in Europe. The funding will support the company's mission to develop advanced AI capabilities.

mikebutcher
Mike Butcher (BlueSky/Threads: @mikebutcher) @mikebutcher
Apr 27, 2026

Breaking: Ineffable Intelligence, founded in London by David Silver (ex DeepMind AlphaGo + more), has just come out of stealth. • $1.1B Seed round raised, possibly the the largest ever Seed round in Europe, at a valuation of $5.1B post • The mission is “to make first contact

RuthBarnett
Ruth Barnett @RuthBarnett
Apr 27, 2026

Introducing Ineffable Intelligence @IneffableLabs - founded in London by David Silver, to make first contact with superintelligence. $1.1bn Seed round raised. https://t.co/NZKSr4C2KL https://t.co/lQN0jrhCQS

AndrewCurran_
Andrew Curran @AndrewCurran_
Apr 27, 2026

David Silver update. Ineffable Intelligence has raised the largest ever European seed round and is now valued at $5.1 billion. Mr Silver said in a statement 'Our mission is to make first contact with superintelligence'. https://t.co/sQ6XG5EbLr

exec_sum
Exec Sum @exec_sum
Apr 27, 2026

BREAKING: David Silver, the DeepMind researcher behind AlphaGo, raised $1.1B for his new AI startup Ineffable Intelligence This is the largest seed round in European history (Sequoia and Lightspeed co-led) with Ineffable Intelligence now valued at $5.1B https://t.co/BYcwGSKaaW

TradedVC
Traded: Venture Capital @TradedVC
Apr 27, 2026

Ineffable Intelligence, a months-old AI startup founded by former Google DeepMind lead reinforcement learning researcher David Silver, has raised a record $1.1 billion seed round at a $5.1 billion valuation as it pursues “superintelligence.” The round was co-led by Sequoia and https://t.co/jtdHjBkbY5

BlackEdgeFund
Black Edge @BlackEdgeFund
Apr 27, 2026

Ineffable Intelligence just raised $1.1 billion in seed funding at a $5.1 billion valuation. That's not Series A money. That's not even Series B money. That's bigger than most IPOs. The company emerged from stealth with former Google DeepMind researchers chasing https://t.co/JH4LEQ7TpV

Apostolakis_Geo
George Apostolakis @Apostolakis_Geo
Apr 27, 2026

Former Google DeepMind researcher just raised a record $1.1 billion seed round. His new startup Ineffable Intelligence is going all-in on superintelligence. Nvidia and Google are both investors. One guy left DeepMind and now has a $5.1 billion valuation in months. AI talent

techpresso_en
Techpresso @techpresso_en
Apr 27, 2026

BREAKING: Ineffable Intelligence, the AI startup founded by DeepMind veteran David Silver, has raised $1.1 billion in a seed round at a $5.1 billion valuation.

ninzaverse
Ninza @ninzaverse
Apr 28, 2026

FORMER DEEPMIND RESEARCHER JUST BAGGED A BILLION DOLLAR SEED ROUND. a startup called ineffable intelligence just emerged from stealth. they raised $1.1 billion in seed funding. valued at $5.1 billion. day one. co-founded by david silver from deepmind. they are pursuing

jelizor
Julio Elizondo @jelizor
Apr 28, 2026

David Silver just raised $1.1 billion in seed funding for Ineffable Intelligence. Largest seed round in European history. Sequoia, Lightspeed, Nvidia, Google, and the U.K. Sovereign AI Fund all in the cap table. Valuation: $5.1 billion before writing a line of product code. The

invitelHQ
INVITEL @invitelHQ
Apr 28, 2026

Former Google DeepMind researcher David Silver has raised a record $1.1 billion seed round for his startup Ineffable Intelligence, valuing the company at $5.1 billion. The company aims to develop superintelligence based on reinforcement learning, meaning models that learn through https://t.co/BtjtE55F94

LabsSrc23948
SRC Labs @LabsSrc23948
Apr 28, 2026

DeepMind's David Silver just raised $1.1B for an AI that learns without human data. - Ineffable Intelligence founded just months ago by the man behind AlphaGo and AlphaZero at DeepMind - $5.1B valuation at seed stage largest seed round in European history - Backed by Sequoia, https://t.co/zFRZubwYcd

orbital_station
Orbital Insights @orbital_station
Apr 28, 2026

UK ex-DeepMind startup Ineffable just raised Europe’s largest seed round—$1.1B—to push AI boundaries. London just proved it can still birth unicorns. VC heat in AI is white-hot. Where’s the next breakout? https://t.co/2bkUpD93TC #AI #VC #Startups #OrbitalStation

asteris_ai
Asteris - Socials on Autopilot with Your Content! @asteris_ai
Apr 28, 2026

David Silver left DeepMind and raised $1.1B in seed funding for Ineffable Intelligence - the largest seed round in European history. The mission: build AI that learns from experience, not human data. Reinforcement learning is having its moment. #IneffableIntelligence #AIFunding

DomainNews24
Domain.News 📈 @DomainNews24
Apr 29, 2026

🌐Europe's largest seed round has been secured! Ineffable Intelligence (ineffable .ai) has raised $1.1 billion, setting a new record for seed funding in Europe, bringing its post-money valuation to $5.1 billion. With its focus on cutting-edge AI technology research and https://t.co/iZXQIL7TOL

GrishinRobotics
Grishin Robotics @GrishinRobotics
Apr 29, 2026

Ineffable Intelligence raised a $1.1B seed round at a $5.1B valuation to build AI systems that learn from experience rather than human data. Sequoia Capital and Lightspeed led the round, with Index Ventures, Google, NVIDIA, British Business Bank, Sovereign AI, and others https://t.co/5ChHzjeDmT

promptprofitsai
Singularity @promptprofitsai
Apr 29, 2026

🚀 Record-Breaking: Ex-DeepMind Researcher Raises $1.1 Billion for AI Startup at $5.6B Valuation David Silver, the researcher who helped create AlphaGo and AlphaFold, just raised a record $1.1 billion seed round for his AI startup Ineffable Intelligence. The company aims to

johnny_lam_
John | Formfactor Design @johnny_lam_
Apr 29, 2026

Ineffable Intelligence just raised $1.1B. Largest seed round in Europe. Mission: reinforcement learning on history, languages, science and math. They call it "making first contact," a moment they compare to Darwin. Then you look at the brand!! Warm hues. No white. No tech https://t.co/g9xhde1TMZ

vcdealflow
Rounds @vcdealflow
Apr 29, 2026

Ineffable Intelligence, a London-based frontier AI lab, raised a $1.1 billion seed round led by Sequoia and Lightspeed.

latticecut
Alastair Moore @latticecut
May 04, 2026

@daveg Ineffable Intelligence, founded in London by David Silver (ex DeepMind AlphaGo + more), has just come out of stealth. • $1.1B Seed round raised, possibly the the largest ever Seed round in Europe, at a valuation of $5.1B post • The mission is “to make first contact with

DNdomainname
DN.com @DNdomainname
May 06, 2026

A historic seed round for Ineffable Intelligence: $1.1B raised at a $5.1B valuation, backed by Sequoia, NVIDIA & Google. And they’re already using the premium AI domain ineffable .ai to anchor their brand. As AI startups boom, .ai domains aren’t just vanity—they’re strategic https://t.co/n5nX2xZiLx

TheGeorgePu
George Pu @TheGeorgePu
May 08, 2026

Ineffable Intelligence just raised $1.1B in a seed round. No product. Founded months ago. Mission: 'superintelligence.' Sequoia led it. Nvidia backed it. Valuation: $5.1B. For context - Anthropic's seed in 2021 was $7.3M. This is 150x. At founding. With nothing shipped.