TL;DR: OpenClaw can call Claude and Codex through their CLI tools instead of hitting APIs directly. CLI backends give you better session handling and remove API key management. Switching over requires cleaning up some wizard-generated config. Extra usage billing still applies for Claude. Why CLI backends Link to heading OpenClaw supports two ways of talking to model providers: the embedded API (sends HTTP requests using an API key or token) and CLI backends (shells out to the provider’s CLI tool, e.g. claude or codex).
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