MiniGPT-4 is a visual language understanding model based on advanced large language models, capable of generating detailed image descriptions, creating websites from handwritten sketches, and more. It can also write stories and poems based on given images, provide solutions to problems, and even teach users how to cook based on food photographs. MiniGPT-4 is pre-trained on raw image-text pairs and fine-tuned using dialogue templates and aligned data to improve the coherence and accuracy of its generated outputs. For pricing and other details, please refer to the official website.