LiteLLMModels

Rerank 2 API Pricing

As of October 10, 2026, Rerank 2 costs $0.05 per 1M tokens on Voyage AI. It has a 16,000-token context window and returns up to 16,000 tokens per response.

Model ID voyage/rerank-2Prices updated Checked
Input
$0.05 / 1M tokens
Output
$0 / 1M tokens
Context window
16,000 tokens
Max output
16,000 tokens
Providers
1
Added to LiteLLM
January 2025

Rerank 2 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$0.05$016K

Use Rerank 2 with LiteLLM

Call Rerank 2 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",
    messages=[{"role": "user", "content": "Hello!"}],
)
Proxy config.yaml
model_list:
  - model_name: rerank-2
    litellm_params:
      model: voyage/rerank-2
      # 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",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Rerank 2 FAQ

How much does Rerank 2 cost?

Rerank 2 costs $0.05 per 1M tokens on Voyage AI.

What is the context window of Rerank 2?

Rerank 2 has a 16,000-token context window and returns up to 16,000 tokens per response.

Which providers offer Rerank 2?

Rerank 2 is available from Voyage AI through LiteLLM, using the model name voyage/rerank-2.

How do I call Rerank 2 with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="voyage/rerank-2", 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?

Rerank 2 was added to LiteLLM's model price file in January 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.