---
title: "rerank-v4.0-fast - Model Details & Comparison"
description: "rerank-v4.0-fast from Cohere: capabilities, context limits, pricing, and side-by-side comparisons with alternative models."
url: "https://www.getmaxim.ai/bifrost/model-library/compare/cohere/rerank-v4.0-fast"
markdown: "https://www.getmaxim.ai/bifrost/model-library/compare/cohere/rerank-v4.0-fast.md"
---

# rerank-v4.0-fast - Model Details & Comparison

> rerank-v4.0-fast from Cohere: capabilities, context limits, pricing, and side-by-side comparisons with alternative models.

## Important Links

- [View MCP Gateway](https://www.getmaxim.ai/bifrost/resources/mcp-gateway.md)
- [Features](https://www.getmaxim.ai/bifrost/#features)
- [Enterprise](https://www.getmaxim.ai/enterprise)
- [Pricing](https://www.getmaxim.ai/pricing)
- [Docs](https://docs.getbifrost.ai)
- [GitHub](https://github.com/maximhq/bifrost)
- [Book a Demo](https://www.getmaxim.ai/book-a-demo)

## About rerank-v4.0-fast

rerank-v4.0-fast is a rerank model from Cohere. Its 33K-token context window is in the top 31% among rerank models.

## Specifications

- **Cohere Provider.**
- **Rerank Mode.**
- **32,768 Max Input Tokens.**
- **32,768 Max Output Tokens.**
- **32,768 Max Tokens.**
- **$0.0000 / 1M tokens Input Price.**
- **$0.0000 / 1M tokens Output Price.**

## rerank-v4.0-fast Pricing Overview

rerank-v4.0-fast is a rerank model from Cohere, its 33K-token context window places it in the top 31% of rerank models.

## Models to Compare

Alternatives to rerank-v4.0-fast with comparable capabilities.

| Model | Provider | Input $/1M | Output $/1M |
| --- | --- | --- | --- |
| amazon.rerank-v1:0 | AWS Bedrock | $0.0000 | $0.0000 |
| cohere-rerank-v3-english | Azure | $0.0000 | $0.0000 |
| cohere-rerank-v3-multilingual | Azure | $0.0000 | $0.0000 |
| cohere-rerank-v3.5 | Azure | $0.0000 | $0.0000 |
| cohere-rerank-v4.0-pro | Azure | $0.0000 | $0.0000 |

- [Compare amazon.rerank-v1:0](https://www.getmaxim.ai/bifrost/model-library/compare/bedrock/amazon.rerank-v1-0.md)
- [Compare cohere-rerank-v3-english](https://www.getmaxim.ai/bifrost/model-library/compare/azure/cohere-rerank-v3-english.md)
- [Compare cohere-rerank-v3-multilingual](https://www.getmaxim.ai/bifrost/model-library/compare/azure/cohere-rerank-v3-multilingual.md)
- [Compare cohere-rerank-v3.5](https://www.getmaxim.ai/bifrost/model-library/compare/azure/cohere-rerank-v3.5.md)
- [Compare cohere-rerank-v4.0-pro](https://www.getmaxim.ai/bifrost/model-library/compare/azure/cohere-rerank-v4.0-pro.md)

## Related Resources

- [Calculate rerank-v4.0-fast costs](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/cohere/model/rerank-v4.0-fast.md)
- [Check Cohere status](https://www.getmaxim.ai/bifrost/provider-status/cohere.md)
- [All Cohere pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/cohere.md)

## FAQ

### Is rerank-v4.0-fast cheaper than amazon.rerank-v1:0?

No. rerank-v4.0-fast costs $0.0000 per 1M input tokens while amazon.rerank-v1:0 costs $0.0000 per 1M input tokens. However, rerank-v4.0-fast may offer different capabilities or performance characteristics that justify the price difference.

### What are the best alternatives to rerank-v4.0-fast?

The most comparable rerank models to rerank-v4.0-fast are: amazon.rerank-v1:0 from AWS Bedrock ($0.0000/1M input tokens); cohere-rerank-v3-english from Azure ($0.0000/1M input tokens); cohere-rerank-v3-multilingual from Azure ($0.0000/1M input tokens); cohere-rerank-v3.5 from Azure ($0.0000/1M input tokens). These alternatives were selected based on similar capabilities, pricing, and provider diversity. You can compare any of these models in detail using the Bifrost Model Library.

### How do I check if Cohere is down?

You can monitor Cohere service health in real time on the Bifrost Cohere Status page. It tracks current component status, active incidents, and historical reliability data pulled from the official status page every 60 seconds.

### How do I calculate rerank-v4.0-fast costs?

rerank-v4.0-fast is priced based on input and output tokens. Use the interactive calculator at the top of this page to estimate costs for your specific workload. Enter your expected input and output tokens volume and the calculator will show the total cost breakdown. For reference, processing 1M input tokens costs $0.0000 and generating 1M output tokens costs $0.0000.

## Related Resources

- [Cohere models](https://www.getmaxim.ai/bifrost/model-library/provider/cohere.md)
- [Model library](https://www.getmaxim.ai/bifrost/model-library.md)
- [LLM cost calculator](https://www.getmaxim.ai/bifrost/llm-cost-calculator.md)
- [Docs: Bifrost docs](https://docs.getbifrost.ai)
- [GitHub: maximhq/bifrost](https://github.com/maximhq/bifrost)
- [Pricing: Bifrost pricing](https://www.getmaxim.ai/pricing)
- [Enterprise: Bifrost enterprise](https://www.getmaxim.ai/enterprise)
- [Book a Demo: Bifrost demo](https://www.getmaxim.ai/book-a-demo)
- [Resources: Bifrost resources](https://www.getmaxim.ai/bifrost/resources.md)

---

*This is a markdown version of [https://www.getmaxim.ai/bifrost/model-library/compare/cohere/rerank-v4.0-fast](https://www.getmaxim.ai/bifrost/model-library/compare/cohere/rerank-v4.0-fast) for AI/LLM consumption.*