Lux.AI Chat is a local AI assistant that provides answers about the Moto Razr 60 Ultra smartphone using its manual as a knowledge base. It uses Retrieval-Augmented Generation (RAG) with the Qwen 2.5 1.5B model for language processing and the bge-small-en-v1.5 embedding model for semantic search, enhanced by reranking support for improved response relevance. All data stays private on your device.