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Data & ResearchMay 14, 2026
The European AI Index 2026: Europe's Largest Private AI Companies
Europe's 15 largest private AI companies by confirmed valuation, updated 7 October 2026: a combined $123.7 billion, led by Mistral AI, Helsing and Nscale. Stricter headquarters rule, sources per company, corrections logged. CSV and JSON under CC BY 4.0.
32 min readBuiltInEu Research Team
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