Claude Code 平替：兼容 API 接入 DeepSeekClaude Code Alternative: Connecting to DeepSeek via a Compatible API

Claude Code Alternative: Connecting to DeepSeek via a Compatible API

Who it's for

• Developers already used to CLI agent workflows
• Those who want to keep multi-turn task loops and file-level editing capabilities
• Anyone who wants to switch the model to a domestic compatible API

Prerequisites

• A working Claude Code-style CLI environment
• A DeepSeek API Key
• A writable local environment variable configuration

Key configuration

• Base URL: https://api.deepseek.com
• Reasoning model: deepseek-reasoner
• Coding model: deepseek-coder

Setup steps

1. Locate where the CLI agent reads model configuration or environment variables.
2. Switch the provider to OpenAI-compatible mode.
3. Enter the Base URL, API Key, and default model.
4. Smoke-test with a single-file editing task first, then move on to multi-file edits and command execution chains.

Troubleshooting

• If tool-calling is unstable, shorten the task chain and reduce the context sent at once.
• If output drifts too much, split tasks into smaller pieces and specify target files explicitly.
• If you hit compatibility errors, confirm the client does not hard-depend on a proprietary field.

Cost note

CLI agent costs fluctuate more than in-editor Q&A. For complex task scenarios, set a budget cap in advance.