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Startup Subquadratic Claims It Broke Through a Core LLM Mathematical Bottleneck

Miami-based AI startup Subquadratic emerged from stealth last month claiming to have solved a fundamental mathematical bottleneck that has held back large language models for nearly a decade. Initial reactions from the research community were skeptical, with technical details appearing sparse relative to the scale of the claim. The company has since begun releasing more substantive supporting evidence, and MIT Technology Review investigates whether it can back up its assertions.