Context Focus
A context compression feature introduced by Cohere in Rerank 5 that performs relevance judgment and passage-level extraction together during reranking, retaining only the passages of a document relevant to the query, with an adjustable retention amount to reduce token costs.
Timeline (last 90 days)
The core mechanism of Rerank 5 is Context Focus: it first locates the passages in a document relevant to the query, then scores relevance based on those passages, rather than compressing and scoring the entire text.
Rerank 5 introduces a new feature called Context Focus, which can extract only the specific passages in a document relevant to the query to reduce token consumption, and it is optional to enable with an adjustable amount of retained context.
Context Focus merges relevance scoring and passage-level extraction into the reranking stage, outputting the specific passages matched in the document rather than the entire document.
All Facts (3)
The core mechanism of Rerank 5 is Context Focus: it first locates the passages in a document relevant to the query, then scores relevance based on those passages, rather than compressing and scoring the entire text.
50%UnverifiedRerank 5 introduces a new feature called Context Focus, which can extract only the specific passages in a document relevant to the query to reduce token consumption, and it is optional to enable with an adjustable amount of retained context.
50%UnverifiedContext Focus merges relevance scoring and passage-level extraction into the reranking stage, outputting the specific passages matched in the document rather than the entire document.
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