LiteLLMModels

Rerank 2.5 API Pricing

As of October 10, 2026, Rerank 2.5 costs $0.05 per 1M tokens on Voyage AI. It has a 32,000-token context window and returns up to 32,000 tokens per response.

Model ID voyage/rerank-2.5Prices updated Checked
Input
$0.05 / 1M tokens
Output
$0 / 1M tokens
Context window
32,000 tokens
Max output
32,000 tokens
Providers
1
Added to LiteLLM
December 2025

Rerank 2.5 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 LiteLLMInputOutputContext
Voyage AIvoyage/rerank-2.5$0.05$032K

Use Rerank 2.5 with LiteLLM

Call Rerank 2.5 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="voyage/rerank-2.5",
    messages=[{"role": "user", "content": "Hello!"}],
)
Proxy config.yaml
model_list:
  - model_name: rerank-2.5
    litellm_params:
      model: voyage/rerank-2.5
      # 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": "rerank-2.5",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Rerank 2.5 FAQ

How much does Rerank 2.5 cost?

Rerank 2.5 costs $0.05 per 1M tokens on Voyage AI.

What is the context window of Rerank 2.5?

Rerank 2.5 has a 32,000-token context window and returns up to 32,000 tokens per response.

Which providers offer Rerank 2.5?

Rerank 2.5 is available from Voyage AI through LiteLLM, using the model name voyage/rerank-2.5.

How do I call Rerank 2.5 with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="voyage/rerank-2.5", 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 Rerank 2.5?

Rerank 2.5 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.

LiteLLM docs: Voyage AI.

Provider pages: Voyage AI.