compare
Cortex vs Grafana Mimir
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Cortex | Grafana Mimir |
|---|---|---|
| Language | Go | Go |
| Licence | Apache-2.0 | AGPL-3.0 |
| Stars | 5.9k | 5.2k |
| Latest | v1.21.1 | mimir-3.2.1 |
| Last push | 2026-10-02 | 2026-10-06 |
| Release cadence | too few releases | about 1 day between releases |
| Active contributors | 22 commit authors on the default branch in the last 90 days | 69 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Prometheus. Alternatives to Prometheus →
PartialCortexHorizontally scaled, multi-tenant long-term storage for Prometheus metrics, fed by remote write.
PartialGrafana MimirHorizontally scalable, multi-tenant long-term storage for Prometheus metrics.
Cortex
- v1.22.0-rc.22026-09-26This is the third release candidate for v1.22.0.pre-release
- v1.22.0-rc.12026-09-21This is the second release candidate for v1.22.0.pre-release
- v1.22.0-rc.02026-09-12This is the first release candidate for v1.22.0.pre-release
- v1.21.12026-06-05[BUGFIX] gRPC: Fix panic when grpc_compression is set to snappy on ingester client or store-gateway client configuratio…
- v1.21.1-rc.02026-06-01[BUGFIX] gRPC: Fix panic when grpc_compression is set to snappy on ingester client or store-gateway client configuratio…pre-release
Grafana Mimir
- mimir-3.2.12026-09-103.2.1
- mimir-3.1.62026-09-103.1.6
- mimir-3.0.92026-08-203.0.9
- mimir-3.1.52026-08-203.1.5
- mimir-3.2.02026-08-193.2.0
Cortex
✓ signed The latest release, v1.21.1, carries a signature GitHub verified.
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Grafana Mimir
✓ signed The latest release, mimir-3.2.1, carries a signature GitHub verified.
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