Get a Model

BetaModelInfo beta().models().retrieve(, )

get/v1/models/{model_id}?beta=true

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.

ParametersExpand Collapse

ModelRetrieveParams params

Optional<String> modelId

Model identifier or alias.

Optional<List<AnthropicBeta>> betas

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

MESSAGE_BATCHES_2024_09_24("message-batches-2024-09-24")

PROMPT_CACHING_2024_07_31("prompt-caching-2024-07-31")

COMPUTER_USE_2024_10_22("computer-use-2024-10-22")

COMPUTER_USE_2025_01_24("computer-use-2025-01-24")

PDFS_2024_09_25("pdfs-2024-09-25")

TOKEN_COUNTING_2024_11_01("token-counting-2024-11-01")

TOKEN_EFFICIENT_TOOLS_2025_02_19("token-efficient-tools-2025-02-19")

OUTPUT_128K_2025_02_19("output-128k-2025-02-19")

FILES_API_2025_04_14("files-api-2025-04-14")

MCP_CLIENT_2025_04_04("mcp-client-2025-04-04")

DEV_FULL_THINKING_2025_05_14("dev-full-thinking-2025-05-14")

INTERLEAVED_THINKING_2025_05_14("interleaved-thinking-2025-05-14")

CODE_EXECUTION_2025_05_22("code-execution-2025-05-22")

EXTENDED_CACHE_TTL_2025_04_11("extended-cache-ttl-2025-04-11")

CONTEXT_1M_2025_08_07("context-1m-2025-08-07")

CONTEXT_MANAGEMENT_2025_06_27("context-management-2025-06-27")

MODEL_CONTEXT_WINDOW_EXCEEDED_2025_08_26("model-context-window-exceeded-2025-08-26")

SKILLS_2025_10_02("skills-2025-10-02")

ReturnsExpand Collapse

class BetaModelInfo:

String id

Unique model identifier.

LocalDateTime 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.

formatdate-time

String displayName

A human-readable name for the model.

JsonValue; type

Object type.

For Models, this is always "model".

Accepts one of the following:

MODEL("model")

Get a Model

Java

package com.anthropic.example;

import com.anthropic.client.AnthropicClient;
import com.anthropic.client.okhttp.AnthropicOkHttpClient;
import com.anthropic.models.beta.models.BetaModelInfo;
import com.anthropic.models.beta.models.ModelRetrieveParams;

public final class Main {
    private Main() {}

    public static void main(String[] args) {
        AnthropicClient client = AnthropicOkHttpClient.fromEnv();

        BetaModelInfo betaModelInfo = client.beta().models().retrieve("model_id");
    }
}

{
  "id": "claude-sonnet-4-20250514",
  "created_at": "2025-02-19T00:00:00Z",
  "display_name": "Claude Sonnet 4",
  "type": "model"
}

Returns Examples

{
  "id": "claude-sonnet-4-20250514",
  "created_at": "2025-02-19T00:00:00Z",
  "display_name": "Claude Sonnet 4",
  "type": "model"
}

Get a Model

BetaModelInfo beta().models().retrieve(, )

get/v1/models/{model_id}?beta=true

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.

ParametersExpand Collapse

ModelRetrieveParams params

Optional<String> modelId

Model identifier or alias.

Optional<List<AnthropicBeta>> betas

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

MESSAGE_BATCHES_2024_09_24("message-batches-2024-09-24")

PROMPT_CACHING_2024_07_31("prompt-caching-2024-07-31")

COMPUTER_USE_2024_10_22("computer-use-2024-10-22")

COMPUTER_USE_2025_01_24("computer-use-2025-01-24")

PDFS_2024_09_25("pdfs-2024-09-25")

TOKEN_COUNTING_2024_11_01("token-counting-2024-11-01")

TOKEN_EFFICIENT_TOOLS_2025_02_19("token-efficient-tools-2025-02-19")

OUTPUT_128K_2025_02_19("output-128k-2025-02-19")

FILES_API_2025_04_14("files-api-2025-04-14")

MCP_CLIENT_2025_04_04("mcp-client-2025-04-04")

DEV_FULL_THINKING_2025_05_14("dev-full-thinking-2025-05-14")

INTERLEAVED_THINKING_2025_05_14("interleaved-thinking-2025-05-14")

CODE_EXECUTION_2025_05_22("code-execution-2025-05-22")

EXTENDED_CACHE_TTL_2025_04_11("extended-cache-ttl-2025-04-11")

CONTEXT_1M_2025_08_07("context-1m-2025-08-07")

CONTEXT_MANAGEMENT_2025_06_27("context-management-2025-06-27")

MODEL_CONTEXT_WINDOW_EXCEEDED_2025_08_26("model-context-window-exceeded-2025-08-26")

SKILLS_2025_10_02("skills-2025-10-02")

ReturnsExpand Collapse

class BetaModelInfo:

String id

Unique model identifier.

LocalDateTime 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.

formatdate-time

String displayName

A human-readable name for the model.

JsonValue; type

Object type.

For Models, this is always "model".

Accepts one of the following:

MODEL("model")

Get a Model

Java

package com.anthropic.example;

import com.anthropic.client.AnthropicClient;
import com.anthropic.client.okhttp.AnthropicOkHttpClient;
import com.anthropic.models.beta.models.BetaModelInfo;
import com.anthropic.models.beta.models.ModelRetrieveParams;

public final class Main {
    private Main() {}

    public static void main(String[] args) {
        AnthropicClient client = AnthropicOkHttpClient.fromEnv();

        BetaModelInfo betaModelInfo = client.beta().models().retrieve("model_id");
    }
}

{
  "id": "claude-sonnet-4-20250514",
  "created_at": "2025-02-19T00:00:00Z",
  "display_name": "Claude Sonnet 4",
  "type": "model"
}

Returns Examples

{
  "id": "claude-sonnet-4-20250514",
  "created_at": "2025-02-19T00:00:00Z",
  "display_name": "Claude Sonnet 4",
  "type": "model"
}

Get a Model

ParametersExpand Collapse

ReturnsExpand Collapse

Get a Model

Returns Examples

Products

Features

Models

Solutions

Claude Developer Platform

Learn

Company

Help and security

Terms and policies

Get a Model

ParametersExpand Collapse

ReturnsExpand Collapse

Get a Model

Returns Examples

Products

Features

Models

Solutions

Claude Developer Platform

Learn

Company

Help and security

Terms and policies