Agent: Cursor, Claude CodeLLM: GPT-4, Claude 3.5#LLM Framework#RAG#AI Agents#Java#Enterprise AI
LangChain4j is an open-source Java framework that abstracts away the complexity of working with multiple LLM providers and vector databases. It provides unified APIs for 20+ LLM providers, 30+ embedding stores, and built-in support for RAG, tool calling, MCP, and autonomous agents—enabling Java developers to build production-ready AI applications without vendor lock-in.