Cohere’s Rerank 4 quadruples the context window over 3.5 to cut agent errors and boost enterprise search accuracy

VentureBeatThursday, December 11, 2025 at 5:00:00 AM
PositiveTechnology
Cohere’s Rerank 4 quadruples the context window over 3.5 to cut agent errors and boost enterprise search accuracy
  • Cohere has launched Rerank 4, an advanced version of its search model, which features a context window of 32K, quadrupling the capacity of its predecessor, Rerank 3.5. This enhancement allows the model to process longer documents and evaluate multiple passages at once, improving the accuracy of information retrieval for agents.
  • The introduction of Rerank 4 is significant for enterprise search applications, as it enhances the model's ability to deliver relevant results, thereby reducing errors and increasing user confidence in the information retrieved.
— via World Pulse Now AI Editorial System

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