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British AI Startup Ineffable Intelligence Seeks $1 Billion Seed Round

2/18/2026

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Summary

Story summary

David Silver, a British AI researcher and former Google DeepMind scientist, is raising $1 billion for his startup Ineffable Intelligence in a seed round led by Sequoia Capital.
The deal could become the largest seed investment for a European startup, valuing Ineffable Intelligence at $4 billion.
Nvidia and Microsoft have shown growing interest and have signaled a competitive landscape for AI innovation and investment across Europe.

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Story summary

David Silver, a British AI researcher and former Google DeepMind scientist, is raising $1 billion for his startup Ineffable Intelligence in a seed round led by Sequoia Capital.
The deal could become the largest seed investment for a European startup, valuing Ineffable Intelligence at $4 billion.
Nvidia and Microsoft have shown growing interest and have signaled a competitive landscape for AI innovation and investment across Europe.