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Nova 2 Lite - Amazon Bedrock

本文為英文版的機器翻譯版本,如內容有任何歧義或不一致之處,概以英文版為準。

Nova 2 Lite

Amazon logo with curved arrow from A to Z forming a smile. Amazon — Nova 2 Lite

模型詳細資訊

Nova 2 Lite 是 Amazon 具成本效益的多模式模型,可跨文字、影像和影片進行簡單的自動化、文件處理和客戶支援。如需模型開發和效能的詳細資訊,請參閱模型/服務卡

  • 模型啟動日期:2025 年 12 月 2 日

  • 模型 EOL 日期:不適用

  • 最終使用者授權合約和使用條款:檢視

  • 模型生命週期:作用中

  • 內容視窗:1M 權杖

  • 最大輸出字符:64K

  • 知識截止日:2025 年 10 月

輸入模式 輸出模式 支援的 APIs 支援的端點
Red circle with white X icon indicating error, cancel, or close action. 音訊Red circle with white X icon indicating error, cancel, or close action. 內嵌Red circle with white X icon indicating error, cancel, or close action. ResponsesGreen circle with white checkmark icon. bedrock-runtime
Green circle with white checkmark icon. 影像Red circle with white X icon indicating error, cancel, or close action. 影像Red circle with white X icon indicating error, cancel, or close action. Chat CompletionsRed circle with white X icon indicating error, cancel, or close action. bedrock-mantle
Red circle with white X icon indicating error, cancel, or close action. 語音Red circle with white X icon indicating error, cancel, or close action. 語音Green circle with white checkmark icon. Invoke
Green circle with white checkmark icon. 文字Green circle with white checkmark icon. 文字Green circle with white checkmark icon. Converse
Green circle with white checkmark icon. 影片Red circle with white X icon indicating error, cancel, or close action. 影片

功能和功能

Bedrock 功能

使用bedrock-runtime端點支援的功能

使用bedrock-runtime端點的提示快取

如需詳細資訊,請參閱提示快取以取得更快速的模型推論

支援提示快取 每個快取檢查點的字符數量下限 每個請求的快取檢查點上限 支援的 TTL 接受提示快取檢查點的欄位
1K* 4 5 分鐘 systemmessages

* Amazon Nova 模型支援最多 20K 個字符以進行提示快取。提示快取主要用於文字提示。

定價

如需定價,請參閱 Amazon Bedrock 定價頁面。

程式設計存取

使用以下模型 IDs和端點 URLs以程式設計方式存取此模型。如需可用 APIs和端點的詳細資訊,請參閱支援的 APIs支援的端點

端點 模型 ID 區域端點 URL 地理推論 ID 全域推論 ID
bedrock-runtime amazon.nova-2-lite-v1:0 https://bedrock-runtime.{region}.amazonaws.com

us.amazon.nova-2-lite-v1:0

eu.amazon.nova-2-lite-v1:0

jp.amazon.nova-2-lite-v1:0

global.amazon.nova-2-lite-v1:0

例如,如果 region 是 us-east-1 (維吉尼亞北部),則 bedrock-runtime 端點 URL 將為 "https://bedrock-runtime.us-east-1.amazonaws.com",bedrock-mantle 則為 "https://bedrock-mantle.us-east-1.api.aws/v1"。

服務層

Amazon Bedrock 提供多個服務層,以符合您的工作負載需求。Standard pay-per-token存取,無需任何承諾。優先順序透過以時間為基礎的承諾提供更高的輸送量。Flex 為彈性、non-time-sensitive工作負載提供較低成本的存取。預留 提供專用輸送量,並提供可預測工作負載的期限承諾。如需詳細資訊,請參閱 服務方案

標準 優先順序 Flex 預留
Green circle with white checkmark icon. Green circle with white checkmark icon. Green circle with white checkmark icon. Red circle with white X icon indicating error, cancel, or close action.

區域可用性

區域可用性一目了然

Bedrock 提供三種推論選項:為嚴格合規,區域內將請求保留在單一 區域內,地理 (美國、歐洲等) 內區域間的地理跨區域路由可提高輸送量,同時遵守資料駐留,而全球跨區域路由則可在無駐留限制的情況下,在全球任何地方提供最大輸送量。如需詳細資訊,請參閱 依模型的區域可用性頁面。

區域 區域內 地理 全域
us-east-1 (維吉尼亞北部)Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.Green circle with white checkmark icon.
us-east-2 (俄亥俄)Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.Green circle with white checkmark icon.
us-west-1 (加利佛尼亞北部)Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.Green circle with white checkmark icon.
us-west-2 (奧勒岡)Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.Green circle with white checkmark icon.
ca-central-1 (加拿大)Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.Green circle with white checkmark icon.
ca-west-1 (卡加利)Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.Green circle with white checkmark icon.
eu-central-1 (法蘭克福)Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.Green circle with white checkmark icon.
eu-north-1 (斯德哥爾摩)Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.Green circle with white checkmark icon.
eu-south-1 (米蘭)Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.Green circle with white checkmark icon.
eu-south-2 (西班牙)Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.Green circle with white checkmark icon.
eu-west-1 (愛爾蘭)Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.Green circle with white checkmark icon.
eu-west-2 (倫敦)Red circle with white X icon indicating error, cancel, or close action.Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.
eu-west-3 (巴黎)Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.Green circle with white checkmark icon.
ap-east-2 (台北)Red circle with white X icon indicating error, cancel, or close action.Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.
ap-northeast-1 (東京)Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.Green circle with white checkmark icon.
ap-northeast-2 (首爾)Red circle with white X icon indicating error, cancel, or close action.Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.
ap-south-1 (孟買)Red circle with white X icon indicating error, cancel, or close action.Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.
ap-southeast-1 (新加坡)Red circle with white X icon indicating error, cancel, or close action.Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.
ap-southeast-2 (雪梨)Red circle with white X icon indicating error, cancel, or close action.Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.
ap-southeast-3 (雅加達)Red circle with white X icon indicating error, cancel, or close action.Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.
ap-southeast-4 (墨爾本)Red circle with white X icon indicating error, cancel, or close action.Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.
ap-southeast-5 (馬來西亞)Red circle with white X icon indicating error, cancel, or close action.Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.
ap-southeast-6 (紐西蘭)Red circle with white X icon indicating error, cancel, or close action.Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.
ap-southeast-7 (泰國)Red circle with white X icon indicating error, cancel, or close action.Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.
il-central-1 (特拉維夫)Red circle with white X icon indicating error, cancel, or close action.Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.
me-central-1 (阿拉伯聯合大公國)Red circle with white X icon indicating error, cancel, or close action.Red circle with white X icon indicating error, cancel, or close action.Green circle with white checkmark icon.

地理推論詳細資訊

地理:美國

地理推論 ID: us.amazon.nova-2-lite-v1:0

來源區域 目的地區域
us-east-1(維吉尼亞北部)us-east-1 (維吉尼亞北部)、us-east-2 (俄亥俄)、us-west-2 (奧勒岡)
us-east-2(俄亥俄)us-east-1 (維吉尼亞北部)、us-east-2 (俄亥俄)、us-west-2 (奧勒岡)
us-west-1 (加利佛尼亞北部)us-east-1 (維吉尼亞北部)、us-east-2 (俄亥俄)、us-west-1 (加利佛尼亞北部)、us-west-2 (奧勒岡)
us-west-2(奧勒岡)us-east-1 (維吉尼亞北部)、us-east-2 (俄亥俄)、us-west-2 (奧勒岡)
ca-central-1 (加拿大)ca-central-1 (加拿大)、us-east-1 (維吉尼亞北部)、us-east-2 (俄亥俄)、us-west-2 (奧勒岡)
ca-west-1 (卡加利)ca-west-1 (卡加利)、us-east-1 (維吉尼亞北部)、us-east-2 (俄亥俄)、us-west-2 (奧勒岡)

地理:歐洲

地理推論 ID: eu.amazon.nova-2-lite-v1:0

來源區域 目的地區域
eu-central-1(法蘭克福)eu-central-1 (法蘭克福)、eu-north-1 (斯德哥爾摩)、eu-south-1 (米蘭)、eu-south-2 (西班牙)、eu-west-1 (愛爾蘭)、eu-west-3 (巴黎)
eu-north-1(斯德哥爾摩)eu-central-1 (法蘭克福)、eu-north-1 (斯德哥爾摩)、eu-south-1 (米蘭)、eu-south-2 (西班牙)、eu-west-1 (愛爾蘭)、eu-west-3 (巴黎)
eu-south-1 (米蘭)eu-central-1 (法蘭克福)、eu-north-1 (斯德哥爾摩)、eu-south-1 (米蘭)、eu-south-2 (西班牙)、eu-west-1 (愛爾蘭)、eu-west-3 (巴黎)
eu-south-2 (西班牙)eu-central-1 (法蘭克福)、eu-north-1 (斯德哥爾摩)、eu-south-1 (米蘭)、eu-south-2 (西班牙)、eu-west-1 (愛爾蘭)、eu-west-3 (巴黎)
eu-west-1(愛爾蘭)eu-central-1 (法蘭克福)、eu-north-1 (斯德哥爾摩)、eu-south-1 (米蘭)、eu-south-2 (西班牙)、eu-west-1 (愛爾蘭)、eu-west-3 (巴黎)
eu-west-3(巴黎)eu-central-1 (法蘭克福)、eu-north-1 (斯德哥爾摩)、eu-south-1 (米蘭)、eu-south-2 (西班牙)、eu-west-1 (愛爾蘭)、eu-west-3 (巴黎)

地理:JP

地理推論 ID: jp.amazon.nova-2-lite-v1:0

來源區域 目的地區域
ap-northeast-1(東京)ap-northeast-1 (東京)、ap-northeast-3 (大阪)

全域推論詳細資訊

全域推論 ID 美洲 EMEA 亞太區域
global.amazon.nova-2-lite-v1:0
  • us-east-1(維吉尼亞北部)

  • us-east-2(俄亥俄)

  • us-west-1 (加利佛尼亞北部)

  • us-west-2(奧勒岡)

  • ca-central-1 (加拿大)

  • ca-west-1 (卡加利)

  • eu-central-1(法蘭克福)

  • eu-north-1(斯德哥爾摩)

  • eu-south-1 (米蘭)

  • eu-south-2 (西班牙)

  • eu-west-1(愛爾蘭)

  • eu-west-2(倫敦)

  • eu-west-3(巴黎)

  • il-central-1 (特拉維夫)

  • me-central-1 (阿拉伯聯合大公國)

  • ap-east-2 (台北)

  • ap-northeast-1(東京)

  • ap-northeast-2(首爾)

  • ap-south-1(孟買)

  • ap-southeast-1(新加坡)

  • ap-southeast-2(雪梨)

  • ap-southeast-3 (雅加達)

  • ap-southeast-4 (墨爾本)

  • ap-southeast-5 (馬來西亞)

  • ap-southeast-6 (紐西蘭)

  • ap-southeast-7 (泰國)

配額和限制

您的 AWS 帳戶具有預設配額,可維持服務的效能,並確保適當使用 Amazon Bedrock。指派給帳戶的預設配額可能會根據區域因素、付款歷史記錄、詐騙使用量和/或配額增加請求的核准而更新。如需詳細資訊,請參閱 Amazon Bedrock 的配額 文件並查看模型的限制

範例程式碼

步驟 1 - AWS 帳戶:如果您已經有 AWS 帳戶,請略過此步驟。如果您是初次使用 AWS,請註冊 AWS 帳戶

步驟 2 - API 金鑰:前往 Amazon Bedrock 主控台並產生長期 API 金鑰。

步驟 3 - 取得 SDK:若要使用此入門指南,您必須已安裝 Python。然後,根據您使用的 APIs相關軟體。

pip install boto3

步驟 4 - 設定環境變數:設定您的環境以使用 API 金鑰進行身分驗證。

AWS_BEARER_TOKEN_BEDROCK="<provide your Bedrock API key>"

步驟 5 - 執行您的第一個推論請求:將檔案儲存為 bedrock-first-request.py

Invoke API
import json import boto3 client = boto3.client('bedrock-runtime', region_name='us-east-1') response = client.invoke_model( modelId='amazon.nova-2-lite-v1:0', body=json.dumps({ 'messages': [{ 'role': 'user', 'content': [{'text': 'Can you explain the features of Amazon Bedrock?'}] }], 'inferenceConfig': { 'maxTokens': 1024 } }) ) print(json.loads(response['body'].read()))
Converse API
import boto3 client = boto3.client('bedrock-runtime', region_name='us-east-1') response = client.converse( modelId='amazon.nova-2-lite-v1:0', messages=[ { 'role': 'user', 'content': [{'text': 'Can you explain the features of Amazon Bedrock?'}] } ] ) print(response)