This is an open-source Java framework initiated by the Spring team to simplify the development of applications that include AI capabilities. It easily integrates with mainstream model providers such as OpenAI, Microsoft, Amazon, Google, and Huggingface, and supports model types like chat, text-to-image generation. The framework offers functionalities such as prompt engineering, converting AI models to POJO objects, vector database integration, and RAG (Retrieval-Augmented Generation) to aid in the development of AI applications.