learn.microsoft.com/en-us/azure/search/semantic-search-overview
Azure AI Search is a cloud service that helps developers add AI-powered search capabilities to their data and applications, including semantic and vector ranking for more relevant results. It provides a framework to build and manage search indexes, indexers, workflows, and skillsets for AI enrichment during ingestion, with ranking approaches such as BM25, semantic ranking, and hybrid ranking. The product includes quickstart guides, samples, and extensive documentation to help deploy, configure, and optimize AI-driven search, including support for agentic retrieval (RAG).
AI named Microsoft Semantic Ranker in October 2026.
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