Azure AI Search

Azure AI Search (now also branded Foundry IQ) is an enterprise knowledge system that powers retrieval-augmented generation (RAG) applications and enterprise search engines. It combines vector search, keyword search, and hybrid search (merged via Reciprocal Rank Fusion) with agentic retrieval to fuel AI agents with unified enterprise context, connecting to knowledge sources such as SharePoint, OneLake, Azure Blob Storage and the web. It is used by developers at more than 80,000 enterprises, including 80% of Fortune 500 companies, processes 3 billion daily enterprise search queries, and is available in more than 30 countries and regions.