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Cohere Rerank 4 Fast

cohere/rerank-v4-fast

A light version of Rerank 4 Pro, this is a multilingual model that allows for re-ranking English and non-english documents and semi-structured data (JSON). This model is better suited for low latency and high throughput use-cases than its pro variant.

Rerank
index.ts
import { rerank } from 'ai';


const result = await rerank({
  model: 'cohere/rerank-v4-fast',
  query: 'What is the capital of France?',
  documents: [
    'Paris is the capital of France.',
    'Berlin is the capital of Germany.',
    'Madrid is the capital of Spain.',
  ],
})