Notion buys ZeroEntropy after an 85% latency cut

Notion acquired ZeroEntropy after the startup’s reranker cut the product’s reranking latency by 85% and made unified search up to 30% faster without reducing answer quality. Notion’s acquisition announcement says the entire team will join, founder Ghita Houir Alami will lead a new Model Research team, and the system also lowered inference cost; the company disclosed no purchase price. For operators weighing model choice as an economic control layer, the acquisition is a useful signal: a narrow model with custom kernels can displace larger vendors inside a high-volume retrieval step, so benchmark the pipeline rather than defaulting every stage to a frontier model.