Models | OpenRouter Python SDK | OpenRouter

The Python SDK and docs are currently in beta. Report issues on GitHub.

Overview

Model information endpoints

Available Operations

count - Get total count of available models
list - List all models and their properties
list_for_user - List models filtered by user provider preferences, privacy settings, and guardrails

count

Get total count of available models

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.models.count()
12 
13     # Handle response
14     print(res)

Parameters

Parameter	Type	Required	Description	Example
`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.
`output_modalities`	Optional[str]	➖	Filter models by output modality. Accepts a comma-separated list of modalities (text, image, audio, embeddings) or “all” to include all models. Defaults to “text”.	text
`retries`	Optional[utils.RetryConfig]	➖	Configuration to override the default retry behavior of the client.

Response

components.ModelsCountResponse

Errors

Error Type	Status Code	Content Type
errors.BadRequestResponseError	400	application/json
errors.InternalServerResponseError	500	application/json
errors.OpenRouterDefaultError	4XX, 5XX	/

list

List all models and their properties

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.models.list()
12 
13     # Handle response
14     print(res)

Parameters

Parameter	Type	Required	Description	Example
`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.
`category`	Optional[operations.Category]	➖	Filter models by use case category	programming
`supported_parameters`	Optional[str]	➖	N/A
`output_modalities`	Optional[str]	➖	Filter models by output modality. Accepts a comma-separated list of modalities (text, image, audio, embeddings) or “all” to include all models. Defaults to “text”.	text
`retries`	Optional[utils.RetryConfig]	➖	Configuration to override the default retry behavior of the client.

Response

components.ModelsListResponse

Errors

Error Type	Status Code	Content Type
errors.BadRequestResponseError	400	application/json
errors.InternalServerResponseError	500	application/json
errors.OpenRouterDefaultError	4XX, 5XX	/

list_for_user

List models filtered by user provider preferences, privacy settings, and guardrails. If requesting through eu.openrouter.ai/api/v1/... the results will be filtered to models that satisfy EU in-region routing.

Example Usage

1 from openrouter import OpenRouter, operations
2 import os
3 
4 with OpenRouter(
5     http_referer="<value>",
6     x_open_router_title="<value>",
7     x_open_router_categories="<value>",
8 ) as open_router:
9 
10     res = open_router.models.list_for_user(security=operations.ListModelsUserSecurity(
11         bearer=os.getenv("OPENROUTER_BEARER", ""),
12     ))
13 
14     # Handle response
15     print(res)

Parameters

Parameter	Type	Required	Description
`security`	operations.ListModelsUserSecurity	✔️	N/A
`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.
`retries`	Optional[utils.RetryConfig]	➖	Configuration to override the default retry behavior of the client.

Response

components.ModelsListResponse

Errors

Error Type	Status Code	Content Type
errors.UnauthorizedResponseError	401	application/json
errors.NotFoundResponseError	404	application/json
errors.InternalServerResponseError	500	application/json
errors.OpenRouterDefaultError	4XX, 5XX	/