Anthropic API

为了满足大家对 Anthropic API 生态的使用需求，我们的 API 新增了对 Anthropic API 格式的支持。通过简单的配置，即可将 DeepSeek 的能力，接入到 Anthropic API 生态中。

---

将 DeepSeek 模型接入 Claude Code

1. 安装 Claude Code

npm install -g @anthropic-ai/claude-code

2. 配置环境变量

export ANTHROPIC_BASE_URL=https://api.deepseek.com/anthropic
export ANTHROPIC_AUTH_TOKEN=${DEEPSEEK_API_KEY}
export ANTHROPIC_MODEL=deepseek-chat
export ANTHROPIC_SMALL_FAST_MODEL=deepseek-chat

3. 进入项目目录，执行 claude 命令，即可开始使用了。

cd my-project
claude

---

通过 Anthropic API 调用 DeepSeek 模型

1. 安装 Anthropic SDK

pip install anthropic

2. 配置环境变量

export ANTHROPIC_BASE_URL=https://api.deepseek.com/anthropic
export ANTHROPIC_API_KEY=${YOUR_API_KEY}

3. 调用 API

import anthropic

client = anthropic.Anthropic()

message = client.messages.create(
    model="deepseek-chat",
    max_tokens=1000,
    system="You are a helpful assistant.",
    messages=[
        {
            "role": "user",
            "content": [
                {
                    "type": "text",
                    "text": "Hi, how are you?"
                }
            ]
        }
    ]
)
print(message.content)

---

Anthropic API 兼容性细节

HTTP Header

Field	Support Status
anthropic-beta	Ignored
anthropic-version	Ignored
x-api-key	Fully Supported

Simple Fields

Field	Support Status
model	Use DeepSeek Model Instead
max_tokens	Fully Supported
container	Ignored
mcp_servers	Ignored
metadata	Ignored
service_tier	Ignored
stop_sequences	Fully Supported
stream	Fully Supported
system	Fully Supported
temperature	Fully Supported (range [0.0 ~ 2.0])
thinking	Ignored
top_k	Ignored
top_p	Fully Supported

Tool Fields

tools

Field	Support Status
name	Fully Supported
input_schema	Fully Supported
description	Fully Supported
cache_control	Ignored

tool_choice

Value	Support Status
none	Fully Supported
auto	Supported (disable_parallel_tool_use is ignored)
any	Supported (disable_parallel_tool_use is ignored)
tool	Supported (disable_parallel_tool_use is ignored)

Message Fields

Field	Variant	Sub-Field	Support Status
content	string		Fully Supported
	array, type="text"	text	Fully Supported
		cache_control	Ignored
		citations	Ignored
	array, type="image"		Not Supported
	array, type = "document"		Not Supported
	array, type = "search_result"		Not Supported
	array, type = "thinking"		Fully Supported
	array, type="redacted_thinking"		Not Supported
	array, type = "tool_use"	id	Fully Supported
		input	Fully Supported
		name	Fully Supported
		cache_control	Ignored
	array, type = "tool_result"	tool_use_id	Fully Supported
		content	Fully Supported
		cache_control	Ignored
		is_error	Ignored
	array, type = "server_tool_use"		Not Supported
	array, type = "web_search_tool_result"		Not Supported
	array, type = "code_execution_tool_result"		Not Supported
	array, type = "mcp_tool_use"		Not Supported
	array, type = "mcp_tool_result"		Not Supported
	array, type = "container_upload"		Not Supported