compare
Loki vs Thanos
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Loki | Thanos |
|---|---|---|
| Language | Go | Go |
| Licence | AGPL-3.0 | Apache-2.0 |
| Stars | 29k | 14k |
| Latest | v3.7.8 | v0.42.4 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | about 5 days between releases | about 5 days between releases |
| Active contributors | 39+ commit authors on the default branch in the last 90 days | 30 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Datadog. Alternatives to Datadog →
PartialLokiCovers log management, usually paired with Grafana for dashboards and alerts.
PartialThanosLong-term metrics storage only.
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
Thanos
- v0.42.42026-07-30Had to do another version release due to broken base image SHAs. No changes.
- v0.42.32026-07-29Fixes a small bug - like before now Receive on shutdown creates a new block and uploads it.
- v0.42.22026-07-17Had to do another version release due to broken base image SHAs. No changes.
- v0.42.12026-07-16This change fixes a small issue regarding timeouts in the Shipper component in the Receiver - we've accidentally set th…
- v0.42.02026-07-08The biggest new things in this release are, I think, Receive component's improvements regarding tenant's lifecycle hand…
Loki
✓ signed The latest release, v3.7.8, carries a signature GitHub verified.
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Thanos
✓ signed The latest release, v0.42.4, carries a signature GitHub verified.
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