Cohere Rerank vs Voyage vs Jina vs BGE: Best Reranker for RAG (2026)
Benchmarks and drop-in code for the four rerankers that actually matter in 2026: Cohere Rerank 3.5, Voyage Rerank-2, Jina Reranker v2, and BGE v2-M3. Pick the right one for your RAG pipeline.