chore: upgrade Cohere rerank model to v4.0-fast#141
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DevanshuNEU merged 1 commit intoJan 4, 2026
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- Updated default model from rerank-v3.5 to rerank-v4.0-fast - v4.0 is Cohere's latest reranking model (Dec 2024) - Supports 100+ languages with better accuracy - Alternative: rerank-v4.0-pro for max accuracy
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Rerank Model Upgrade
Changes
rerank-v3.5torerank-v4.0-fastWhy
Model Options
rerank-v4.0-fastrerank-v4.0-proTesting
Files Changed
backend/services/search_v2/hybrid_searcher.py(1 line change)