OpenAI's ChatGPT receives its biggest update yet, introducing a new interface and the option for Plus subscribers to create their own GPT chatbots. The GPT-4 model now combines all extra features into one, allowing seamless access to Advanced Data Analysis, DALL-E 3's image generation, and internet browsing. OpenAI plans to release the GPT-4 Turbo version in the coming weeks, offering enhanced knowledge of world events and a 128k context window.