Amazon Bedrock で Claude Fable 5.1 が利用可能になったので Converse API から呼び出してみた

aws bedrock get-account-data-retention
aws bedrock put-account-data-retention --mode aws_review

{
    "mode": "provider_data_share",
    "updatedAt": "2026-06-09T23:46:41.595000+00:00"
}

{
    "mode": "aws_review",
    "updatedAt": "2026-09-01T19:49:15.480000+00:00"
}

aws bedrock-runtime converse \
  --model-id "global.anthropic.claude-fable-5-1" \
  --messages '[{"role":"user","content":[{"text":"こんにちは！あなたのモデル名を教えてください。一言で。"}]}]' \
  --inference-config '{"maxTokens":100}'

{
    "output": {
        "message": {
            "role": "assistant",
            "content": [
                {
                    "text": "こんにちは！Claudeです。"
                }
            ]
        }
    },
    "stopReason": "end_turn",
    "usage": {
        "inputTokens": 32,
        "outputTokens": 14,
        "totalTokens": 46,
        "cacheReadInputTokens": 0
    },
    "metrics": {
        "latencyMs": 2062
    }
}

--additional-model-request-fields '{"output_config":{"effort":"max"}}'

{
    "anthropic_version": "bedrock-2023-05-31",
    "max_tokens": 6000,
    "messages": [
        {
            "role": "user",
            "content": "ある農場にニワトリとウシがいます。頭の数の合計は30、脚の数の合計は74です。それぞれ何頭ですか。考え方も示してください。"
        }
    ],
    "output_config": {
        "effort": "max"
    }
}

aws bedrock-runtime invoke-model \
  --model-id "global.anthropic.claude-fable-5-1" \
  --content-type application/json --accept application/json \
  --body "fileb://body-effort-max.json" \
  05-effort-max.json

[
    {"text": "You are a glossary reference. Answer strictly from the glossary below.\n1. The term 'cache checkpoint' is defined in the Amazon Bedrock user guide as a concept used when invoking a model.\n2. The term 'foundation model' is defined in the Amazon Bedrock user guide as a concept used when invoking a model."},
    {"cachePoint": {"type": "default"}}
]

aws bedrock-runtime converse \
  --model-id "global.anthropic.claude-fable-5-1" \
  --system "$(cat system-695.json)" \
  --messages '[{"role":"user","content":[{"text":"Reply with the single word: ok"}]}]' \
  --inference-config '{"maxTokens":20}'

{
    "usage": {
        "inputTokens": 16,
        "outputTokens": 4,
        "totalTokens": 715,
        "cacheReadInputTokens": 0,
        "cacheWriteInputTokens": 695,
        "cacheDetails": [
            {
                "ttl": "5m",
                "inputTokens": 695
            }
        ]
    }
}

{
    "usage": {
        "inputTokens": 16,
        "outputTokens": 4,
        "totalTokens": 715,
        "cacheReadInputTokens": 695
    }
}

1回目: {"inputTokens": 377, "outputTokens": 4, "totalTokens": 381, "cacheReadInputTokens": 0}
2回目: {"inputTokens": 377, "outputTokens": 4, "totalTokens": 381, "cacheReadInputTokens": 0}