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GET
Choose the format with the response selector above. The default is OpenRouter Provider V2, and ?format=models.dev returns a models.dev provider document.

Authorizations

Authorization
string
header
required

API key in the Authorization header. Management endpoints require a management key (sk-mgmt-...). GET /api/v1/models and GET /api/v1/usage require an inference key (sk-gw-...).

Query Parameters

format
enum<string>

Serialization format. Omit for OpenRouter Provider V2. models.dev returns a models.dev provider document.

Available options:
models.dev

Response

Priced model catalog in the requested format.

Model documents, one entry per priced model. cost_usd is USD per unit, which is per token when unit is token.

data
object[]
required