Cohere Rerank 4.0 Pro

Description

Cohere Rerank 4.0 Pro is Cohere's highest-quality multilingual cross-encoder reranker. It reorders documents by semantic relevance to a query for search and retrieval-augmented generation, handles complex reasoning-heavy queries and semi-structured data across 100+ languages, and supports a 32K context window. Available through Microsoft Foundry.

Providers

Microsoft Foundry

View provider details and policies.

Capabilities

EU-Compliant API Access

Use Cohere Rerank 4.0 Pro with a simple API call. OpenAI-compatible endpoint, EU data residency guaranteed.

const response = await fetch("https://api.eurouter.ai/api/v1/chat/completions", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "Authorization": `Bearer ${process.env.EUROUTER_API_KEY}`,
  },
  body: JSON.stringify({
    model: "cohere-rerank-4.0-pro",
    messages: [
      { role: "user", content: "Hello!" }
    ],
  }),
});

const data = await response.json();
console.log(data.choices[0].message.content);