Rerank V4.0 Fast API Pricing
As of October 10, 2026, Rerank V4.0 Fast costs $2.00 per 1K queries on Cohere. It has a 32,768-token context window and returns up to 32,768 tokens per response.
- Input
- $0 / 1M tokens
- Output
- $0 / 1M tokens
- Context window
- 32,768 tokens
- Max output
- 32,768 tokens
- Providers
- 1
- Added to LiteLLM
- September 8, 2026
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.
| Provider | Model name in LiteLLM | Input | Output | Per 1K queries | Context |
|---|---|---|---|---|---|
| Cohere | rerank-v4.0-fast | $0 | $0 | $2.00 | 32K |
Use Rerank V4.0 Fast with LiteLLM
Call 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.
from litellm import completion
response = completion(
model="rerank-v4.0-fast",
messages=[{"role": "user", "content": "Hello!"}],
)model_list:
- model_name: rerank-v4.0-fast
litellm_params:
model: rerank-v4.0-fast
api_key: os.environ/COHERE_API_KEYcurl http://0.0.0.0:4000/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer sk-1234" \
-d '{
"model": "rerank-v4.0-fast",
"messages": [{"role": "user", "content": "Hello!"}]
}'Rerank V4.0 Fast FAQ
How much does Rerank V4.0 Fast cost?
Rerank V4.0 Fast costs $2.00 per 1K queries on Cohere.
What is the context window of Rerank V4.0 Fast?
Rerank V4.0 Fast has a 32,768-token context window and returns up to 32,768 tokens per response.
Which providers offer Rerank V4.0 Fast?
Rerank V4.0 Fast is available from Cohere through LiteLLM, using the model name rerank-v4.0-fast.
How do I call Rerank V4.0 Fast with an OpenAI-compatible API?
Use the LiteLLM Python SDK with model="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 Rerank V4.0 Fast?
Rerank V4.0 Fast was added to LiteLLM's model price file on September 8, 2026.
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: Cohere.
Provider pages: Cohere.
