Skip to content

Model detail

Rerank v4.0 Pro

Provided by Cohere
Pay-as-you-go Dynamic pricing

Cohere's AI search foundation model for enhancing the relevance of information surfaced within search and RAG systems. Features a 32K context window, multilingual support across 100+ languages, no data pre-processing required, and state of the art performance with low latency.

Model specs

Model ID
rerank-v4.0-pro
Context length
32K
Max output
–
I/O modalities
–
Released
2026-04

02

API endpoints

One MixRoute gateway, OpenAI-compatible

  • OpenAI-compatible /v1/chat/completions POST

03

Tiered pricing

Unit: /1M Tokens

Tier
base

05

Selection summary

Quickly judge whether it fits your workload

What is this model good for?

A multilingual model that allows for re-ranking English and non-english documents

A multilingual model that allows for re-ranking English and non-english documents and semi-structured data (JSON). This model is better suited for state-of-the-art quality and complex use-cases than its fast variant.

What should you check before using it?

32,000 context tokens

Model type: rerank. Verify supported features and quotas with the provider documentation.

Why use it through MixRoute?

One MixRoute key reaches rerank-v4.0-pro

One MixRoute key covers rerank-v4.0-pro, on the same account as the rest of the catalog. MixRoute serves rerank-v4.0-pro on the OpenAI-compatible endpoint /v1/chat/completions; point your existing client at https://api.mixroute.ai/v1 with the model ID rerank-v4.0-pro and re-run your integration tests.

09

FAQ

Before switching production traffic to Rerank v4.0 Pro, run a pilot on a representative slice of your traffic and check output quality, latency at peak concurrency, and cost per request. Verify the error and retry behaviour, and confirm the request limits you depend on match your plan.

One endpoint, a testable decision

Test this model and alternate routes with the same request format

Start from a real workload, then let quality, total cost, and failure conditions decide whether to send production traffic.