compare
OpenObserve vs Thanos
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | OpenObserve | Thanos |
|---|---|---|
| Language | TypeScript | Go |
| Licence | AGPL-3.0 | Apache-2.0 |
| Stars | 22k | 14k |
| Latest | v1.1.0-rc1 | v0.42.4 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | about 3 days between releases | about 5 days between releases |
| Active contributors | 43+ 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 →
PartialOpenObserveLogs, metrics, traces and dashboards in one service you run yourself.
PartialThanosLong-term metrics storage only.
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
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…
OpenObserve
unsigned The latest release, v1.1.0-rc1, carries no signature GitHub could verify.
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Thanos
✓ signed The latest release, v0.42.4, carries a signature GitHub verified.
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