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AI Models in Oracle Cloud: A Complete Guide to Oracle's Enterprise AI Ecosystem Foundation models, managed AI services, GPU infrastructure and Database 23ai — the full OCI AI stack, explained. 📅 Jul 09, 2026 🏷️ Oracle Cloud AI ⏱ 18 min read Article Overview This guide takes the OCI AI portfolio apart layer by layer and puts it back together in a way that's easy to reason about. We start at the GPU fabric, climb through the model families you can call (Cohere, Meta Llama, Mistral and Oracle's own), then look at the managed services that wrap those models and the AI features Oracle ships inside Database 23ai. Along the way you'll see why keeping vectors in the database can retire a standalone vector store, how a grounded RAG pipeline and an agent are wired together, and which habits keep a deployment secure and affordable in production. AI stopped being a lab curiosity a while ago; today it's a line item that boards expect to see delivering results. What most organi...