LiteLLMModels

Cohere Rerank V4.0 Fast API Pricing

As of October 10, 2026, Cohere Rerank V4.0 Fast costs $2.00 per 1K queries on Azure AI Foundry. It has a 32,768-token context window and returns up to 32,768 tokens per response.

Model ID azure_ai/cohere-rerank-v4.0-fastPrices updated Checked
Input
$0 / 1M tokens
Output
$0 / 1M tokens
Context window
32,768 tokens
Max output
32,768 tokens
Providers
1
Added to LiteLLM
December 2025

Cohere Rerank V4.0 Fast pricing by provider

1 listing across 1 provider. Token prices are in US dollars per 1M tokens. The highlighted row is the price quoted above.

ProviderModel name in LiteLLMInputOutputPer 1K queriesContext
Azure AI Foundryazure_ai/cohere-rerank-v4.0-fast$0$0$2.0032K

Use Cohere Rerank V4.0 Fast with LiteLLM

Call Cohere Rerank V4.0 Fast through the LiteLLM Python SDK, or put it behind the LiteLLM proxy and send OpenAI-format requests to /v1/rerank. LiteLLM tracks the cost of every request at these prices.

Python SDK
from litellm import completion

response = completion(
    model="azure_ai/cohere-rerank-v4.0-fast",
    messages=[{"role": "user", "content": "Hello!"}],
)
Proxy config.yaml
model_list:
  - model_name: cohere-rerank-v4.0-fast
    litellm_params:
      model: azure_ai/cohere-rerank-v4.0-fast
      # credentials: see the provider's LiteLLM docs page
Call the proxy
curl http://0.0.0.0:4000/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sk-1234" \
  -d '{
    "model": "cohere-rerank-v4.0-fast",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Cohere Rerank V4.0 Fast FAQ

How much does Cohere Rerank V4.0 Fast cost?

Cohere Rerank V4.0 Fast costs $2.00 per 1K queries on Azure AI Foundry.

What is the context window of Cohere Rerank V4.0 Fast?

Cohere Rerank V4.0 Fast has a 32,768-token context window and returns up to 32,768 tokens per response.

Which providers offer Cohere Rerank V4.0 Fast?

Cohere Rerank V4.0 Fast is available from Azure AI Foundry through LiteLLM, using the model name azure_ai/cohere-rerank-v4.0-fast.

How do I call Cohere Rerank V4.0 Fast with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="azure_ai/cohere-rerank-v4.0-fast", or add the model to the LiteLLM proxy's config.yaml and send requests to /v1/rerank from any OpenAI client. LiteLLM tracks the cost of every request at the prices on this page.

When did LiteLLM add Cohere Rerank V4.0 Fast?

Cohere Rerank V4.0 Fast was added to LiteLLM's model price file in December 2025.

Sources

Prices come from LiteLLM's open-source model_prices_and_context_window.json, which LiteLLM uses to calculate the cost of every request. Provider pricing pages:

LiteLLM docs: Azure AI Foundry.

Provider pages: Azure AI Foundry.