RAG Reranker Benchmark: Cohere vs BGE vs Jina vs ColBERT
A reproducible 2026 RAG reranker benchmark: Cohere, BGE, Jina, and ColBERT on recall, latency, and cost, with methodology and a selection matrix.
Agentic RAG Architecture Patterns: When Plain RAG Is Not Enough
Four agentic RAG patterns — planner-retriever, router, graph-RAG agent, reflective RAG. When each is worth it and the failure modes each introduces.