List available models.
The Models API response can be used to determine which models are available for use in the API. More recently released models are listed first.
Parameters
Returns
List Models
import os
from anthropic import Anthropic
client = Anthropic(
api_key=os.environ.get("ANTHROPIC_API_KEY"), # This is the default and can be omitted
)
page = client.models.list()
page = page.data[0]
print(page.id)Response 200
{
"data": [
{
"id": "claude-sonnet-4-20250514",
"created_at": "2025-02-19T00:00:00Z",
"display_name": "Claude Sonnet 4",
"type": "model"
}
],
"first_id": "first_id",
"has_more": true,
"last_id": "last_id"
}Returns Examples
Response 200
{
"data": [
{
"id": "claude-sonnet-4-20250514",
"created_at": "2025-02-19T00:00:00Z",
"display_name": "Claude Sonnet 4",
"type": "model"
}
],
"first_id": "first_id",
"has_more": true,
"last_id": "last_id"
}