Fello AI: The next-level Mac chatbot, driven by top AIs such as ChatGPT, Claude, Gemini, and LLaMA **Fello AI:** Maximize efficiency with Fello AI, the fastest AI chat app for Mac. Rated 4.7/5 globally and equipped with ChatGPT, GPT-4o, Claude 3.5, Gemini 1.5, and LLaMA 3.1, it offers text, image, and PDF support to handle all your professional and personal tasks.