Writer Palmyra X4

Writer Palmyra X4 は、最大 128,000 トークンのコンテキストウィンドウを持つモデルです。このモデルは、複雑なタスクの処理と理解に優れているため、ワークフローオートメーション、コーディングタスク、データ分析に最適です。

Palmyra X4 呼び出しリクエストの本文フィールド

Writer モデルを使用して InvokeModel または InvokeModelWithResponseStream を呼び出す場合、以下の JSON オブジェクトを body フィールドに入力します。text_prompts オブジェクトの text フィールドにプロンプトを入力してください。

{
"modelId": "writer.palmyra-x4-v1:0",
"contentType": "application/json",
"accept": "application/json",
"body": "{\"messages\":[{\"role\":\"user\",\"content\":{\"text\":\"Explain quantum computing in simple terms\"}}]}"
}

次の表は、数値パラメータの最小値、最大値、およびデフォルト値を示しています。

Palmyra X4 呼び出しレスポンスの本文フィールド

Writer Palmyra X4 のレスポンス JSON は、以下の形式を使用します。

{
  "id": "chatcmpl-a689a6e150b048ca8814890d3d904d41",
  "object": "chat.completion",
  "created": 1745854231,
  "model": "writer.palmyra-x4-v1:0",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "reasoning_content": null,
        "content": "Quantum computing harnesses quantum mechanics to process information in extraordinarily powerful ways. Unlike classical bits, which are 0 or 1, quantum bits (qubits) can exist in multiple states simultaneously through superposition. Qubits also entangle, allowing them to be interconnected in such a way that the state of one (whether it's 0 or 1) can depend on the state of another, no matter the distance between them. This combination of superposition and entanglement enables quantum computers to solve complex problems much faster than classical computers, particularly in areas like cryptography, optimization, and simulations of molecular structures. However, quantum computing is still in its early stages, facing challenges in stability and scalability.",
        "tool_calls": []
      },
      "logprobs": null,
      "finish_reason": "stop",
      "stop_reason": null
    }
  ],
  "usage": {
    "prompt_tokens": 43,
    "total_tokens": 186,
    "completion_tokens": 143,
    "prompt_tokens_details": null
  },
  "prompt_logprobs": null
}

Writer Palmyra X4 のコードの例

Writer Palmyra X4 のコード例

import boto3
import json
from botocore.exceptions import ClientError

client = boto3.client("bedrock-runtime", region_name="us-west-2")
model_id = "writer.palmyra-x4-v1:0"

# Format the request payload using the model's native structure.
native_request = {
    "temperature": 1,
    "messages": [
        {
            "role": "user",
            "content": "Explain quantum computing in simple terms.",
        }
    ],
}

# Convert the native request to JSON.
request = json.dumps(native_request)

try:
    # Invoke the model with the request.
    response = client.invoke_model(modelId=model_id, body=request)
except (ClientError, Exception) as e:
    print(f"ERROR: Can't invoke '{model_id}'. Reason: {e}")
    exit(1)

# Decode the response body.
model_response = json.loads(response["body"].read())

# Extract and print the response text.
response_text = model_response["content"][0]["text"]
print(response_text)