Cohere Rerank 4 Fast
Cohere Rerank 4 Fast is a multilingual reranking model from Cohere tuned for low-latency, high-throughput retrieval over English and non-English documents and semi-structured JSON.
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.', ],})More models by Cohere
| Model |
|---|
| 32K | — | $2.5/K |  | 12/11/2025 | |||||||||
| $0.12/M | — | — | | 04/15/2025 | |||||||||
| 256K | 2.1s | 10tps | $2.50/M | $10.00/M | — | — | | 03/13/2025 | |||||
| 4K | — | $2/K |  | 12/02/2024 |