Managed Retrieval APIs and Knowledge Bases

Azure AI Search is Microsoft's managed search service for full-text, vector, hybrid, semantic-ranker, filtering, enrichment, and integrated vectorization workloads.

Cloudflare AutoRAG is a managed pipeline that monitors data sources, parses and chunks content, creates embeddings, indexes it in Vectorize, and exposes retrieval and generation APIs.

Contextual AI is a managed enterprise RAG platform with data ingestion, retrieval, reranking, grounded generation, evaluations, and deployment controls.

Databricks Mosaic AI Vector Search is a managed vector database integrated with Delta tables, Unity Catalog, embedding endpoints, filtering, hybrid search, and automatic index synchronization.

IBM watsonx Discovery is an enterprise document-understanding and search service with connectors, enrichment, passage retrieval, natural-language queries, and access-control support.

Nuclia is a retrieval platform with an open-source database component and managed APIs for ingestion, multimodal extraction, vector and keyword search, agents, and RAG.

Ragie is a managed RAG-as-a-service platform for source connectors, document parsing, partitioning, indexing, hybrid retrieval, reranking, and permission-aware results.

Snowflake Cortex Search is a managed hybrid search service over Snowflake data with automated embedding, refresh, filtering, and low-latency query APIs.

Vectara is a managed RAG platform with document ingestion, multilingual retrieval, hybrid search, reranking, grounded generation, citations, and factual-consistency scoring.

Vertex AI Vector Search is Google Cloud's managed ANN service for dense, sparse, and hybrid retrieval with filtering, autoscaling, and streaming or batch updates.