Get a Model

Get a specific model.

The Models API response can be used to determine information about a specific model or resolve a model alias to a model ID.

GET /v1/models/{model_id}

cURL

cURL

curl https://api.anthropic.com/v1/models/claude-sonnet-4-20250514 \
     --header "x-api-key: $ANTHROPIC_API_KEY" \
     --header "anthropic-version: 2023-06-01"

200

{
  "created_at": "2023-11-07T05:31:56Z",
  "display_name": "<string>",
  "id": "<string>",
  "type": "model"
}

Headers

anthropic-version · string · required

The version of the Claude API you want to use.

Read more about versioning and our version history here.

x-api-key · string · required

Your unique API key for authentication.

This key is required in the header of all API requests, to authenticate your account and access Anthropic's services. Get your API key through the Console. Each key is scoped to a Workspace.

anthropic-beta · string[]

Optional header to specify the beta version(s) you want to use.

To use multiple betas, use a comma separated list like beta1,beta2 or specify the header multiple times for each beta.

Path Parameters

model_id · string · required

Model identifier or alias.

Response

200

application/json

Successful Response

created_at · string<date-time> · required

RFC 3339 datetime string representing the time at which the model was released. May be set to an epoch value if the release date is unknown.

display_name · string · required

A human-readable name for the model.

id · string · required

Unique model identifier.

type · string · default: model · required

Object type.

For Models, this is always "model".

Allowed value: "model"