compare
Loki vs OpenSearch
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Loki | OpenSearch |
|---|---|---|
| Language | Go | Java |
| Licence | AGPL-3.0 | Apache-2.0 |
| Stars | 29k | 14k |
| Latest | v3.7.8 | 3.9.0 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | about 5 days between releases | about 43 days between releases |
| Active contributors | 39+ 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 →
PartialLokiIndexes labels rather than full text, and queries log lines with LogQL.
Full replacementOpenSearchFork of Elasticsearch 7.10.2, APIs have diverged since.
Both replace Splunk. Alternatives to Splunk →
PartialLokiLog storage and querying, without Splunk's apps and SIEM features.
PartialOpenSearchLog search and analytics with OpenSearch Dashboards.
Loki
- v3.7.82026-09-17security/HIGH/pkg/push: Update module google.golang.org/grpc to v1.83.2 [SECURITY] (release-3.7.x) (#24433) (4d5dc2b)
- v3.6.172026-09-17security/HIGH/pkg/push: Update module google.golang.org/grpc to v1.83.1 [SECURITY] (release-3.6.x) (#24330) (d8d78f6)
- v3.7.72026-08-27Add flag to ignore missing chunks during deletion of logs with line filter [release-3.7.x] (#24233) (7a40404)
- v3.6.162026-08-27Add flag to ignore missing chunks during deletion of logs with line filter [release-3.6.x] (#24232) (b87159f)
- operator/v0.11.02026-08-18operator: v0.11.0
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
Loki
✓ signed The latest release, v3.7.8, carries a signature GitHub verified.
Loading the security report
OpenSearch
✓ signed The latest release, 3.9.0, carries a signature GitHub verified.
Loading the security report