AI-O is a feature-rich AI assistant that provides support for your daily tasks and boosts your productivity. It includes chat with GPT-4 Turbo and Vision, chat organization, importing ChatGPT history, saving customized prompts, voice input and text-to-speech, full support for Markdown format, and more. Future features include AI writing assistant, AI email assistant, and AI translation. Open-source and vetted models will also be added. Users can also create custom AI assistants, knowledge bases, and custom AI automation and workflows.