AI Agent Re Ranking 2026
The top 5 results from vector retrieval aren't necessarily the most relevant. Have the LLM re-rank them, and quality improves instantly. The cost is low, and the impact is clear.
💡 What You Will Learn
The top 5 results from vector retrieval aren't necessarily the most relevant. Have the LLM re-rank them, and quality improves instantly. The cost is low, and the impact is clear.
📜 Table of Contents
from sentence_transformers import CrossEncoder
ranker = CrossEncoder('BAAI/bge-reranker-v2-m3')
scores = ranker.predict([(query, doc) for doc in results])
ResultsComparison
|:----|:-----:|:----:|:--------:| || 62% | 10ms | 0 | || 89% | +50ms || || 94% | +500ms ||
Summary
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