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This is an open source, high performance, multilingual model. It works well on messy data and short queries expected to return medium-length passages of text (1-2 paragraphs).

This model returns a relevance score for a query and passage. A sigmoid function can map the relevance score to a float value in the range [0,1].

Reranking models are designed to provide superior accuracy over retriever models but are much slower, so this model shouldn't be used with more than a few hundred documents. Due to the slowness of rerankers, we recommend using them in a two-stage retrieval system: use a retrieval to pull in a smaller number of documents from a larger database and then rerank the smaller number of documents using a reranker.

pip install -U pinecone

See rerank for instructions for using bge-reranker-v2-m3 with the Pinecone Inference API rerank endpoint.

from pinecone import Pinecone

pc = Pinecone("API-KEY")

query = "Tell me about Apple's products"
results = pc.inference.rerank(
    model="bge-reranker-v2-m3",
    query=query,
    documents=[
"Apple is a popular fruit known for its sweetness and crisp texture.",	
"Apple is known for its innovative products like the iPhone.",
"Many people enjoy eating apples as a healthy snack.",
"Apple Inc. has revolutionized the tech industry with its sleek designs and user-friendly interfaces.",
"An apple a day keeps the doctor away, as the saying goes.",
    ],
    top_n=3,
    return_documents=True,
    parameters= {
        "truncate": "END"
    }
)

print(query)
for r in results.data:
  print(r.score, r.document.text)

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