Startup Subquadratic Claims It Broke Through a Core LLM Mathematical Bottleneck
Original: A startup claims it broke through a bottleneck that’s holding back LLMs
Miami startup Subquadratic claims to have cracked a core mathematical bottleneck limiting LLMs for nearly a decade.
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.
Miami-based AI startup Subquadratic came out of stealth approximately one month before this MIT Technology Review report with an outsized claim: that it had solved a fundamental mathematical bottleneck constraining large language models — one it says has gone unsolved for nearly a decade. The report, published June 19, 2026, examines whether the company is now building a credible case for that claim.
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