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Why AI Proofs of Concept Fail in Production Most AI proofs of concept fail for the same reason. They assume large language models behave like stateless services. Enterprise systems don’t. LLMs can produce correct-looking responses even when context is incomplete, inconsistent, or wrong. That’s dangerous in production systems that rely on determinism, identity, transactions, and history. When AI lives outside the application lifecycle, teams lose: - control over inputs - predictability of outputs - observability of behavior This is an integration problem. The architectural shift is simple but non-negotiable: AI must be treated as an application component, not an external service. With Quarkus and LangChain4j, AI logic runs inside the Java application boundary, alongside REST APIs, messaging, and databases. Prompts, memory, and tools participate in the same lifecycle, security model, and operational controls as the rest of the system. That’s how AI becomes production-ready. Learn more: ibm.biz/quarkus-ai #QuarkusWithMarkus #EnterpriseAI #JavaArchitecture #CloudNative #LangChain4j IBM Esau Betancourt IBM Developer