deepclaude

deepclaude swaps the model behind Claude Code without changing the interface. You keep the autonomous agent loop, file editing, and bash execution, and route calls to DeepSeek V4 Pro, OpenRouter, Fireworks, or any Anthropic-compatible backend. Free, MIT.

Setup is two minutes. npm install, set environment variables for your chosen provider, and the CLI behaves like Claude Code with a different brain inside. Multiple providers can be configured at once, and you switch between them at the env-var level.

Solo: real money. DeepSeek V4 Pro at $0.87 per million output tokens versus Anthropic's $15 means a hobby project can stop bleeding cash. Small teams: depends entirely on whether your model of choice handles your codebase as well as Sonnet does. Larger teams: probably stay on Anthropic. A productivity hit on a senior engineer costs more than the API bill ever will.

The catch: Claude Code is good because of Sonnet and Opus, not because of the loop around them. DeepSeek is solid but it is a different model with different blind spots. Test it on your real code before committing.