Building Enterprise RAG on Azure: GPT-4o + Azure AI Search + Azure DevOps — End to End
Series: Enterprise GenAI & RAG Architecture — Part 3 of 5
Why Azure is the Natural Home for Enterprise RAG
If your organization runs on Microsoft — SharePoint, Teams, Azure AD, Microsoft 365 — then Azure is your natural RAG platform. Every data source your employees use daily connects natively, without custom connectors or complex authentication flows.
Azure also provides something no other cloud currently matches: Azure AI Search with hybrid search — combining traditional BM25 keyword matching, vector similarity, and a semantic ranker in a single query. For enterprise content (policies, documentation, technical specs), this hybrid approach consistently outperforms pure vector search.
Azure AI Search’s semantic ranker uses a cross-encoder model to re-rank results after initial retrieval — dramatically improving precision for complex, multi-concept queries.
Azure Services at a Glance
RequirementAzure ServiceNotesLLM Azure OpenAI — GPT-4o Latest model, 128k context window Embeddings text-embedding-3-small 1536 dimensions,...
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