Cohere Rerank

Specialized model for re-ranking search results to improve relevance in RAG pipelines.

Overview

Cohere's Rerank API takes a query and a list of documents (retrieved from any source) and returns them sorted by semantic relevance. It acts as a filter layer after initial retrieval, significantly boosting the quality of context provided to the LLM.

Best for

• Improving RAG precision
• Hybrid search post-processing
• Reducing noise in large context windows

Trade-offs

What XeroHack pre-wires

When you pick Cohere Rerank in the interview, the engine emits these files into your scaffold:

• LangChain CohereReranker
• LlamaIndex CohereRerank