Reorder · Relevance scoring

Reranker

Soon

Reorder search results by relevance and lift top-K precision.

Overview

Reranker

Given a query and candidate documents, return ranked relevance scores. Useful at the tail of a RAG pipeline, for refining search results, FAQ matching, and product search.

Endpoint: /v1/rerank
Example model: reranker-large-v1

API

API example

curl https://api.openalchemy.io/v1/rerank \
  -H "Authorization: Bearer $OPENALCHEMY_API_KEY" \
  -H "X-Project-Id: $YOUR_PROJECT_ID" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "reranker-large-v1",
    "query": "Where is the best ramen in Tokyo?",
    "documents": [
      "Ichiran has 24-hour shops in Shibuya.",
      "Tsuta in Sugamo holds a Michelin star.",
      "The Tsukiji market is famous for sushi.",
      "Afuri serves yuzu shio ramen in Ebisu."
    ],
    "top_n": 4
  }'

Status

Quota and pricing (per project)

Allotments and rate limits apply to the project that issued the API key. A second domain-scoped policy layer constrains which origins may invoke each modality.

Read the docs for this modality →

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