Posted in Kunsthaus Zurich (EN) ChatGPT explained – everything you need to know about the AI chatbot August 31, 2025 ChatGPT is an AI chatbot that was initially built on a family of Large Language Models (or LLMs), collectively known as GPT-3. OpenAI is currently using its GPT-5 models in the free version of… https://www.techradar.com/news/chatgpt-explained