GPT 4o is an advanced multimodal AI that excels in real-time audiovisual responses and emotional output. Designed to provide a seamless interaction experience, it supports audio, text, and image inputs, making it noticeably superior to its predecessor, GPT-4. Ideal for various applications, it provides robust and prompt responses in a highly interactive format, all available for free.

HuggingChat by Hugging Face is an open-source AI chat interface designed to provide users with seamless interaction with state-of-the-art chat models. The platform is built to support community-driven models, ensuring everyone has access to powerful conversational AI technology. It uses a modern tech stack, and offers integration with various API providers, enhancing its flexibility and utility.