5ire is an open source and free application compatible with Windows and macOS. It supports major AI models from leading providers such as OpenAI, Azure OpenAI, Anthropic, Google, Baidu, and more. With a user-friendly interface, this client provides a local knowledge base, customizable prompt library, global search, and bookmarking, along with detailed usage statistics for efficient resource management.

Notably, the client includes built-in support for the GPT-4 series, with complimentary use of GPT-4o and GPT-4, empowering users to leverage cutting-edge AI technology at no extra cost. Whether you're a developer, researcher, or business professional, this tool is designed to enhance your productivity and innovation.