Claude Platform Docs

取得模型

$client->beta->models->retrieve(string modelID, ?list<AnthropicBeta> betas, ?string workspaceID): BetaModelInfo
GET/v1/models/{model_id}

取得特定模型。

Models API 回應可用於判斷特定模型的相關資訊，或將模型別名解析為模型 ID。

Parameters
modelID: string

Model identifier or alias.

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.

取得模型
<?php

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

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

$betaModelInfo = $client->beta->models->retrieve(
  'model_id',
  betas: [AnthropicBeta::MESSAGE_BATCHES_2024_09_24],
  workspaceID: 'wrkspc_011CZkZaBF1tNoB5wlCeusgy',
);

var_dump($betaModelInfo);
Returns Examples
Response 200
{
  "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"
}