Claude Platform Docs

モデルの一覧

$client->beta->models->list(?string afterID, ?string beforeID, ?int limit, ?list<AnthropicBeta> betas, ?string workspaceID): Page<BetaModelInfo>
GET/v1/models

利用可能なモデルを一覧表示します。

Models APIのレスポンスを使用して、APIで使用可能なモデルを判断できます。より最近リリースされたモデルが最初に表示されます。

Parameters
afterID?:optional string

ID of the object to use as a cursor for pagination. When provided, returns the page of results immediately after this object.

beforeID?:optional string

ID of the object to use as a cursor for pagination. When provided, returns the page of results immediately before this object.

limit?:optional int

Number of items to return per page.

Defaults to 20. Ranges from 1 to 1000.

default20
betas?:optional list<AnthropicBeta>

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

workspaceID?:optional string
Returns
class BetaModelInfo { $type = 'model'; $id; $allowedFallbackModels; /* 5 more */ }
"model" type

Object type.

For Models, this is always "model".

string id

Unique model identifier.

?list<string> allowedFallbackModels

Model IDs this model accepts as fallbacks[i].model on the Messages API. An empty list means the fallbacks parameter is not supported for this model as primary.

?BetaModelCapabilities capabilities

Model capability information.

\Datetime createdAt

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.

string displayName

A human-readable name for the model.

?int maxInputTokens

Maximum input context window size in tokens for this model.

?int maxTokens

Maximum value for the max_tokens parameter when using this model.

モデルの一覧
<?php

require_once dirname(__DIR__) . '/vendor/autoload.php';

$client = new Client(apiKey: 'my-anthropic-api-key');

$page = $client->beta->models->list(
  afterID: 'after_id',
  beforeID: 'before_id',
  limit: 1,
  betas: [AnthropicBeta::MESSAGE_BATCHES_2024_09_24],
  workspaceID: 'wrkspc_011CZkZaBF1tNoB5wlCeusgy',
);

var_dump($page);
Returns Examples
Response 200
{
  "data": [
    {
      "id": "claude-opus-5",
      "allowed_fallback_models": [
        "string"
      ],
      "capabilities": {
        "batch": {
          "supported": true
        },
        "citations": {
          "supported": true
        },
        "code_execution": {
          "supported": true
        },
        "compaction": {
          "summarize": {
            "supported": true
          },
          "supported": true
        },
        "context_management": {
          "clear_thinking_20251015": {
            "supported": true
          },
          "clear_tool_uses_20250919": {
            "supported": true
          },
          "compact_20260112": {
            "supported": true
          },
          "supported": true
        },
        "effort": {
          "high": {
            "supported": true
          },
          "low": {
            "supported": true
          },
          "max": {
            "supported": true
          },
          "medium": {
            "supported": true
          },
          "supported": true,
          "xhigh": {
            "supported": true
          }
        },
        "image_input": {
          "supported": true
        },
        "pdf_input": {
          "supported": true
        },
        "structured_outputs": {
          "supported": true
        },
        "thinking": {
          "supported": true,
          "types": {
            "adaptive": {
              "supported": true
            },
            "enabled": {
              "supported": true
            }
          }
        }
      },
      "created_at": "2026-07-24T00:00:00Z",
      "display_name": "Claude Opus 5",
      "max_input_tokens": 0,
      "max_tokens": 0,
      "type": "model"
    }
  ],
  "first_id": "first_id",
  "has_more": true,
  "last_id": "last_id"
}