[Cohere](/ai-gateway/models/labs/cohere)

# 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. Your use is subject to Cohere's [Terms](https://cohere.com/terms-of-use) & [Privacy](https://cohere.com/privacy) Policies.

Rerank

[Use with AI Gateway](https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Futm_source%3Dgateway-model-page%26utm_campaign%3Dai-gateway-models&title=Get+Started+with+Vercel+AI+Gateway) [View docs](https://vercel.com/docs/ai-gateway)

```
1import { rerank } from 'ai';
2

3const result = await rerank({
4  model: 'cohere/rerank-v4-fast',
5  query: 'What is the capital of France?',
6  documents: [
7    'Paris is the capital of France.',
8    'Berlin is the capital of Germany.',
9    'Madrid is the capital of Spain.',
10  ],
11})
```

[Read docs](https://vercel.com/docs/ai-gateway/sdks-and-apis/ai-sdk)

[Overview](/ai-gateway/models/rerank-v4-fast) [About](/ai-gateway/models/rerank-v4-fast/about) [Providers](/ai-gateway/models/rerank-v4-fast/providers) [Similar](/ai-gateway/models/rerank-v4-fast/similar) [FAQ](/ai-gateway/models/rerank-v4-fast/faq)

## [Copy link to heading](#more-models-by-cohere)More models by Cohere

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Rerank

| Model |
| --- |

| Context | Latency | Throughput | Input | Output | Cache | Web Search | Capabilities | Providers | ZDR | No Training | Free Tier | Release Date |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |

| ![cohere logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fcohere.png&w=48&q=75) [cohere/rerank-v4-pro](/ai-gateway/models/rerank-v4-pro) | 32K |  |  | $2.50/K |  |  | — |  | ![cohere logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fcohere.png&w=48&q=75) |  |  |  | 12/11/2025 |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| ![cohere logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fcohere.png&w=48&q=75) [cohere/embed-v4.0](/ai-gateway/models/embed-v4.0) | 128K |  |  | $0.12/M |  |  | — |  | ![bedrock logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Famazon%2520bedrock.png&w=48&q=75) ![cohere logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fcohere.png&w=48&q=75) |  |  |  | 04/15/2025 |  |
| ![cohere logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fcohere.png&w=48&q=75) [cohere/command-a](/ai-gateway/models/command-a) | 256K | 0.2s | 79tps | $2.50/M | $10/M |  | — |  | ![cohere logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fcohere.png&w=48&q=75) |  |  |  | 03/13/2025 |  |
| ![cohere logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fcohere.png&w=48&q=75) [cohere/rerank-v3.5](/ai-gateway/models/rerank-v3.5) | 4K |  |  | $2/K |  |  | — |  | ![bedrock logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Famazon%2520bedrock.png&w=48&q=75) |  |  |  | 12/02/2024 |  |