Arlequin AI closed a EUR 28 million Series A on September 10, 2026, co-led by redalpine and OTB Ventures with Bpifrance's Defence Innovation Fund and Xavier Niel joining. Its topological neural networks need no training data or predefined ontologies and far less compute, producing traceable, auditable analysis of large fragmented datasets for security, fraud and cyber use cases.
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Paris-based Arlequin AI raises EUR 28M for LLM-alternative topological neural networks
Why this matters for founders
Founders in regulated or high-stakes analytics should watch compute-light, explainable model architectures as a cheaper, more auditable alternative to LLMs.
Source: Tech.eu
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