Rerank - Python SDK
Rerank method reference
The Python SDK and docs are currently in beta. Report issues on GitHub.
Overview
Reranking endpoints
Available Operations
- rerank - Submit a rerank request
rerank
Submits a rerank request to the rerank router
Example Usage
1 from openrouter import OpenRouter 2 import os 3 4 with OpenRouter( 5 http_referer="<value>", 6 x_open_router_title="<value>", 7 x_open_router_categories="<value>", 8 api_key=os.getenv("OPENROUTER_API_KEY", ""), 9 ) as open_router: 10 11 res = open_router.rerank.rerank(model="cohere/rerank-v3.5", query="What is the capital of France?", documents=[ 12 "Paris is the capital of France.", 13 "Berlin is the capital of Germany.", 14 ]) 15 16 # Handle response 17 print(res)
Parameters
| Parameter | Type | Required | Description | Example |
|---|---|---|---|---|
model | str | ✔️ | The rerank model to use | cohere/rerank-v3.5 |
query | str | ✔️ | The search query to rerank documents against | What is the capital of France? |
documents | List[str] | ✔️ | The list of documents to rerank | [ “Paris is the capital of France.”, “Berlin is the capital of Germany.” ] |
http_referer | Optional[str] | ➖ | The app identifier should be your app’s URL and is used as the primary identifier for rankings. This is used to track API usage per application. | |
x_open_router_title | Optional[str] | ➖ | The app display name allows you to customize how your app appears in OpenRouter’s dashboard. | |
x_open_router_categories | Optional[str] | ➖ | Comma-separated list of app categories (e.g. “cli-agent,cloud-agent”). Used for marketplace rankings. | |
top_n | Optional[int] | ➖ | Number of most relevant documents to return | 3 |
provider | Optional[components.ProviderPreferences] | ➖ | Provider routing preferences for the request. | |
retries | Optional[utils.RetryConfig] | ➖ | Configuration to override the default retry behavior of the client. |
Response
operations.CreateRerankResponse
Errors
| Error Type | Status Code | Content Type |
|---|---|---|
| errors.BadRequestResponseError | 400 | application/json |
| errors.UnauthorizedResponseError | 401 | application/json |
| errors.PaymentRequiredResponseError | 402 | application/json |
| errors.NotFoundResponseError | 404 | application/json |
| errors.TooManyRequestsResponseError | 429 | application/json |
| errors.InternalServerResponseError | 500 | application/json |
| errors.BadGatewayResponseError | 502 | application/json |
| errors.ServiceUnavailableResponseError | 503 | application/json |
| errors.EdgeNetworkTimeoutResponseError | 524 | application/json |
| errors.ProviderOverloadedResponseError | 529 | application/json |
| errors.OpenRouterDefaultError | 4XX, 5XX | */* |