Vertex AI 上的 Claude

模型	Vertex AI API 模型 ID
Claude Sonnet 4.5	claude-sonnet-4-5@20250929
Claude Sonnet 4	claude-sonnet-4@20250514
Claude Sonnet 3.7 ⚠️	claude-3-7-sonnet@20250219
Claude Opus 4.5	claude-opus-4-5@20251101
Claude Opus 4.1	claude-opus-4-1@20250805
Claude Opus 4	claude-opus-4@20250514
Claude Opus 3 ⚠️	claude-3-opus@20240229
Claude Haiku 4.5	claude-haiku-4-5@20251001
Claude Haiku 3.5 ⚠️	claude-3-5-haiku@20241022
Claude Haiku 3	claude-3-haiku@20240307

from anthropic import AnthropicVertex

project_id = "MY_PROJECT_ID"
region = "global"

client = AnthropicVertex(project_id=project_id, region=region)

message = client.messages.create(
    model="claude-sonnet-4-5@20250929",
    max_tokens=100,
    messages=[
        {
            "role": "user",
            "content": "Hey Claude!",
        }
    ],
)
print(message)

from anthropic import AnthropicVertex

project_id = "MY_PROJECT_ID"
region = "global"

client = AnthropicVertex(project_id=project_id, region=region)

message = client.messages.create(
    model="claude-sonnet-4-5@20250929",
    max_tokens=100,
    messages=[
        {
            "role": "user",
            "content": "Hey Claude!",
        }
    ],
)
print(message)

from anthropic import AnthropicVertex

project_id = "MY_PROJECT_ID"
region = "us-east1"  # Specify a specific region

client = AnthropicVertex(project_id=project_id, region=region)

message = client.messages.create(
    model="claude-sonnet-4-5@20250929",
    max_tokens=100,
    messages=[
        {
            "role": "user",
            "content": "Hey Claude!",
        }
    ],
)
print(message)

Vertex AI 上的 Claude

安装用于访问 Vertex AI 的 SDK

Vertex AI 上的 Claude

安装用于访问 Vertex AI 的 SDK

访问 Vertex AI

模型可用性

API 模型 ID

发出请求

活动日志

功能支持

全局端点与区域端点

何时使用每个选项

实现

其他资源