CLI Proxy API is a utility tool designed for Windows that facilitates access to various OpenAI and Gemini models. This free application enables users to wrap Gemini CLI and ChatGPT Codex as an API service, allowing seamless integration with compatible clients and software development kits (SDKs). With support for multiple accounts, users can easily switch between local and remote API access, enhancing flexibility and usability.

The application stands out by incorporating support for the latest models, including OpenAI Codex and Claude Code via OAuth. Notably, it has introduced compatibility with the first Chinese provider, Qwen Code, broadening its accessibility. This tool is ideal for developers looking to leverage advanced language models for chatbot development and other AI applications.