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OpenSearch vs OpenSearch Kubernetes Operator

The same facts for both, read from GitHub every night, and the relation a person reviewed.

OpenSearchOpenSearch Kubernetes Operator
LanguageJavaGo
LicenceApache-2.0Apache-2.0
Stars14k584
Latest3.9.0v3.0.0
Last push2026-10-062026-10-02
Release cadenceabout 43 days between releasesabout 1 day between releases
Active contributors104 commit authors on the default branch in the last 90 days8 commit authors on the default branch in the last 90 days
Flagsnonenone

How they relate

  • Both replace Elastic Cloud. Alternatives to Elastic Cloud →

    Full replacementOpenSearchFork of Elasticsearch 7.10.2 with OpenSearch Dashboards, run on your own machines; APIs have diverged since.

    PartialOpenSearch Kubernetes OperatorDeploys, scales and upgrades OpenSearch and OpenSearch Dashboards on your own Kubernetes cluster; OpenSearch APIs have diverged from Elasticsearch.