compare
Elastic Cloud on Kubernetes vs OpenSearch
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Elastic Cloud on Kubernetes | OpenSearch |
|---|---|---|
| Language | Go | Java |
| Licence | Other | Apache-2.0 |
| Stars | 2.9k | 14k |
| Latest | v3.5.0 | 3.9.0 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | about 39 days between releases | about 43 days between releases |
| Active contributors | 10 commit authors on the default branch in the last 90 days | 104 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Elastic Cloud. Alternatives to Elastic Cloud →
Full replacementElastic Cloud on KubernetesDeploys, scales and upgrades Elasticsearch, Kibana and the rest of the Elastic Stack on your own Kubernetes cluster.
Full replacementOpenSearchFork of Elasticsearch 7.10.2 with OpenSearch Dashboards, run on your own machines; APIs have diverged since.
Elastic Cloud on Kubernetes
OpenSearch
- 3.9.02026-09-29Compatible with OpenSearch and OpenSearch Dashboards version 3.9.0
- 3.8.02026-08-05Compatible with OpenSearch and OpenSearch Dashboards version 3.8.0
- 2.19.62026-07-06Compatible with OpenSearch and OpenSearch Dashboards version 2.19.6
- 3.7.02026-06-09Compatible with OpenSearch and OpenSearch Dashboards version 3.7.0
- 3.6.02026-04-07Compatible with OpenSearch and OpenSearch Dashboards version 3.6.0
Elastic Cloud on Kubernetes
✓ signed The latest release, v3.5.0, carries a signature GitHub verified.
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OpenSearch
✓ signed The latest release, 3.9.0, carries a signature GitHub verified.
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