Anthropic

¶List models

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

¶php code

use Partitech\PhpMistral\Clients\Anthropic\AnthropicClient;

$apiKey = getenv('ANTHROPIC_API_KEY');

$client = new AnthropicClient(apiKey: (string)$apiKey);

try {
    $models = $client->listModels();
    print_r($models);
} catch (Throwable $e) {
    echo $e->getMessage();
}

¶result

Array
(
    [data] => Array
        (
            [0] => Array
                (
                    [type] => model
                    [id] => claude-3-7-sonnet-20250219
                    [display_name] => Claude 3.7 Sonnet
                    [created_at] => 2025-02-24T00:00:00Z
                )

            [1] => Array
                (
                    [type] => model
                    [id] => claude-3-5-sonnet-20241022
                    [display_name] => Claude 3.5 Sonnet (New)
                    [created_at] => 2024-10-22T00:00:00Z
                )

            [2] => Array
                (
                    [type] => model
                    [id] => claude-3-5-haiku-20241022
                    [display_name] => Claude 3.5 Haiku
                    [created_at] => 2024-10-22T00:00:00Z
                )

            [3] => Array
                (
                    [type] => model
                    [id] => claude-3-5-sonnet-20240620
                    [display_name] => Claude 3.5 Sonnet (Old)
                    [created_at] => 2024-06-20T00:00:00Z
                )

            [4] => Array
                (
                    [type] => model
                    [id] => claude-3-haiku-20240307
                    [display_name] => Claude 3 Haiku
                    [created_at] => 2024-03-07T00:00:00Z
                )

            [5] => Array
                (
                    [type] => model
                    [id] => claude-3-opus-20240229
                    [display_name] => Claude 3 Opus
                    [created_at] => 2024-02-29T00:00:00Z
                )

        )

    [has_more] =>
    [first_id] => claude-3-7-sonnet-20250219
    [last_id] => claude-3-opus-20240229
)

¶Additional Resources

https://docs.anthropic.com/en/api/models-list