Run Claude Code with DeepSeek V4 Pro in 5 Minutes – Zero‑Setup Guide

Prerequisites

Install Node.js LTS from https://nodejs.org/zh-cn and verify with node -v (e.g., v20.12.2).

Obtain a DeepSeek API key from https://platform.deepseek.com; the token has the form sk-xxxx....

Install Claude Code

npm (recommended, cross‑platform) : npm install -g @anthropic-ai/claude-code then verify with claude --version.

Windows PowerShell (no Node required): irm https://claude.ai/install.ps1 | iex.

macOS/Linux terminal (no Node required): curl -fsSL https://claude.ai/install.sh | bash.

Configure DeepSeek

Settings file location:

Windows: C:\Users\<em>your‑username</em>\.claude\settings.json macOS/Linux: ~/.claude/settings.json Create or edit the file with the following JSON, replacing sk-你的DeepSeekAPIKey with the actual key:

{
  "$schema": "https://json.schemastore.org/claude-code-settings.json",
  "env": {
    "ANTHROPIC_BASE_URL": "https://api.deepseek.com/anthropic",
    "ANTHROPIC_AUTH_TOKEN": "sk-你的DeepSeekAPIKey",
    "ANTHROPIC_MODEL": "deepseek-v4-pro",
    "ANTHROPIC_DEFAULT_OPUS_MODEL": "deepseek-v4-pro",
    "ANTHROPIC_DEFAULT_SONNET_MODEL": "deepseek-v4-pro",
    "ANTHROPIC_DEFAULT_HAIKU_MODEL": "deepseek-v4-flash",
    "CLAUDE_CODE_SUBAGENT_MODEL": "deepseek-v4-flash"
  }
}

Test the Installation

Run claude in a terminal. Expected output includes:

✓ Connected to deepseek-v4-pro
Ready to help. Type /help for commands.

Enter a simple query such as “你好，我在国内成功接入DeepSeek了吗？” and verify a normal reply.

Common Issues (China‑specific)

Command not found : add %USERPROFILE%\.local\bin to the system PATH and restart the terminal.

Connection timeout : ensure the URL https://api.deepseek.com/anthropic is correct and the API key is valid with remaining quota.

401 error : the API key is incorrect or expired; generate a new key and update settings.json.

Optional Desktop Client

Download the client from https://claude.ai/download and install.

Enable Developer Mode via Help → Troubleshooting → Enable Developer Mode .

After restart, configure:

Inference Provider → Gateway

Base URL: https://api.deepseek.com/anthropic API Key: your sk-xxx Model: deepseek-v4-pro or

deepseek-v4-flash