beginnerSpring AI — Core, ChatClient & RAG

What is Spring AI? How does it differ from LangChain? What is its core design principle?

Spring AI applies familiar Spring idioms (@Bean, starters, @Autowired, auto-configuration) to AI engineering, unlike LangChain's Python-first, chain-centric style. Its core principle is portability — swap AI providers with a config change and zero code changes.

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