How to run Claude Code on OpenRouter with alternative models like DeepSeek: the ANTHROPIC_BASE_URL guide

1. Why this is worth being precise about Claude Code s model can be changed through an environment variable, and that variable can point at a gateway such as OpenRouter rather than at Anthropic s own API. This is how people run Claude Code against DeepSeek, GLM, or any other backend a gateway serves. The question comes [ ]