PDF 支持

client = anthropic.Anthropic()
message = client.messages.create(
    model="claude-opus-4-8",
    max_tokens=1024,
    messages=[
        {
            "role": "user",
            "content": [
                {
                    "type": "document",
                    "source": {
                        "type": "url",
                        "url": "https://assets.anthropic.com/m/1cd9d098ac3e6467/original/Claude-3-Model-Card-October-Addendum.pdf",
                    },
                },
                {"type": "text", "text": "What are the key findings in this document?"},
            ],
        }
    ],
)

print(message.content)

import base64
import httpx

# 首先，加载并编码 PDF
pdf_url = "https://assets.anthropic.com/m/1cd9d098ac3e6467/original/Claude-3-Model-Card-October-Addendum.pdf"
pdf_data = base64.standard_b64encode(httpx.get(pdf_url).content).decode("utf-8")

# 替代方案：从本地文件加载
# with open("document.pdf", "rb") as f:
#     pdf_data = base64.standard_b64encode(f.read()).decode("utf-8")

# 使用 base64 编码发送给 Claude
client = anthropic.Anthropic()
message = client.messages.create(
    model="claude-opus-4-8",
    max_tokens=1024,
    messages=[
        {
            "role": "user",
            "content": [
                {
                    "type": "document",
                    "source": {
                        "type": "base64",
                        "media_type": "application/pdf",
                        "data": pdf_data,
                    },
                },
                {"type": "text", "text": "What are the key findings in this document?"},
            ],
        }
    ],
)

print(message.content)

client = anthropic.Anthropic()

# 上传 PDF 文件
with open("document.pdf", "rb") as f:
    file_upload = client.beta.files.upload(file=("document.pdf", f, "application/pdf"))

# 在消息中使用已上传的文件
message = client.beta.messages.create(
    model="claude-opus-4-8",
    max_tokens=1024,
    betas=["files-api-2025-04-14"],
    messages=[
        {
            "role": "user",
            "content": [
                {
                    "type": "document",
                    "source": {"type": "file", "file_id": file_upload.id},
                },
                {"type": "text", "text": "What are the key findings in this document?"},
            ],
        }
    ],
)

print(message.content)

client = anthropic.Anthropic()
# ...
message = client.messages.create(
    model="claude-opus-4-8",
    max_tokens=1024,
    messages=[
        {
            "role": "user",
            "content": [
                {
                    "type": "document",
                    "source": {
                        "type": "base64",
                        "media_type": "application/pdf",
                        "data": pdf_data,
                    },
                    "cache_control": {"type": "ephemeral"},
                },
                {"type": "text", "text": "Analyze this document."},
            ],
        }
    ],
)

client = anthropic.Anthropic()
# ...
message_batch = client.messages.batches.create(
    requests=[
        {
            "custom_id": "doc1",
            "params": {
                "model": "claude-opus-4-8",
                "max_tokens": 1024,
                "messages": [
                    {
                        "role": "user",
                        "content": [
                            {
                                "type": "document",
                                "source": {
                                    "type": "base64",
                                    "media_type": "application/pdf",
                                    "data": pdf_data,
                                },
                            },
                            {"type": "text", "text": "Summarize this document."},
                        ],
                    }
                ],
            },
        }
    ]
)