PublicAI Arena Telegram mini app offers a unique platform where users can interact with various AI models simultaneously, comparing their responses to questions. Supported AI models include gpt-4o, llama3.1-70b, gemini-1.5pro, and claude-3-5-sonnet. Users can rank the quality of AI responses through a drag-and-drop interface to earn points or simply chat with AI for free. Additionally, the AI Arena - Data Feature leverages private domain data from Telegram channels for training AI models, incentivizing users with cryptocurrency rewards to contribute valuable content.