compare
OpenObserve vs OpenSearch
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | OpenObserve | OpenSearch |
|---|---|---|
| Language | TypeScript | Java |
| Licence | AGPL-3.0 | Apache-2.0 |
| Stars | 22k | 14k |
| Latest | v1.1.0-rc1 | 3.9.0 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | about 3 days between releases | about 43 days between releases |
| Active contributors | 43+ 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 Elasticsearch. Alternatives to Elasticsearch →
PartialOpenObserveLogs, metrics and traces on object storage, with an Elasticsearch-compatible ingestion API.
Full replacementOpenSearchFork of Elasticsearch 7.10.2, APIs have diverged since.
Both replace Splunk. Alternatives to Splunk →
PartialOpenObserveLog search, dashboards and alerts.
PartialOpenSearchLog search and analytics with OpenSearch Dashboards.
OpenObserve
- v1.1.0-rc12026-09-30Release v1.1.0-rc1
- v1.0.42026-09-24Release v1.0.4
- v1.0.32026-09-18Release v1.0.3
- v1.0.22026-09-17Release v1.0.2
- v1.0.12026-09-16Release v1.0.1
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
OpenObserve
unsigned The latest release, v1.1.0-rc1, carries no signature GitHub could verify.
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OpenSearch
✓ signed The latest release, 3.9.0, carries a signature GitHub verified.
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