I2VGen-XL is an AI model library and dataset platform that provides a wealth of AI models and datasets to help users quickly build AI applications. The platform supports a variety of AI tasks, including image recognition, natural language processing, and speech recognition. Users can upload, download, and share models and datasets through the platform, and they can also use the platform's API interface for calling. The platform offers both free and paid services, and users can choose the service that best suits their needs.