Elasticsearch documentation hub
The distributed search and analytics engine at the heart of the Elastic platform. Index, search, and analyze data at any scale, build semantic and vector search experiences, and power applications. Run it as a managed service or in your own environment.
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Start a local development environment or a free Elastic Cloud trial, then run your first queries.
What's new in Elasticsearch
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semantic_text field type
Simplify semantic search. No pipeline setup needed, just define the field and start querying.
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ES|QL improvements
New functions, cross-cluster support, and dense vector operations directly in ES|QL queries.
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Inference API expansion
Connect to external AI models for embeddings and reranking.
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Breaking changes in 9.x
Review removed settings, deprecated APIs, and behavioral changes before upgrading from 8.x.
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Explore Elasticsearch
Find the Elasticsearch documentation you need, organized by task, from deploying and ingesting to searching, securing, and operating.
Quick links
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Releases and APIs
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Configuration
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Operations