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Comparison · Analytics
Grafana Loki vs Zipkin
A side-by-side editorial comparison of Grafana Loki and Zipkin — release velocity, themes, recent moves, and the top alternatives to consider.
Grafana Loki vs Zipkin: at a glance
What is Grafana Loki?
Loki 4.0 RC strips out legacy storage backends and the simple scalable mode.
Loki 4.0.0-rc.2 is out, the first major-version candidate in the feed. It removes the BoltDB, Cassandra, DynamoDB, BigTable and gRPC storage backends, drops Simple Scalable Deployment targets, defaults to Thanos storage clients and adds label-based access control. The Operator had prepared for this: 0.12 already made storage schemas explicit and stopped reconciling deprecated BoltDB schemas.
What is Zipkin?
Zipkin's last release was January 2025 — a dependency bump, and then nothing.
The recent history is three consecutive maintenance releases whose entire content is dependency and base-image updates: 3.4.3 aligned Maven versions with the Docker images, 3.4.2 and 3.4.1 moved Spring Boot, Netty, Micrometer, Armeria, Alpine and the JRE forward to clear CVEs. The last release carrying a feature was 3.4 in May 2024, which added OpenSearch v2 as a storage backend using the existing ES_-prefixed environment variables.
Grafana Loki vs Zipkin: editorial side-by-side
Grafana Loki
6.3ANALYTICS
Loki 4.0 RC strips out legacy storage backends and the simple scalable mode.
◆ Current state
Loki 4.0.0-rc.2 is out, the first major-version candidate in the feed. It removes the BoltDB, Cassandra, DynamoDB, BigTable and gRPC storage backends, drops Simple Scalable Deployment targets, defaults to Thanos storage clients and adds label-based access control. The Operator had prepared for this: 0.12 already made storage schemas explicit and stopped reconciling deprecated BoltDB schemas.
◆ Where it's heading
Loki is narrowing to one storage path, TSDB on object storage, and cutting configuration it has carried for years. Query-tee changes and the unplugged V2 engine show the query layer is also being reworked. Operators on older backends or SSD layouts face a real migration.
◆ Prediction
More 4.0 release candidates are likely before a final 4.0.0, followed by a Helm chart and Operator release aligned to it.
Zipkin
0.0ANALYTICS
Zipkin's last release was January 2025 — a dependency bump, and then nothing.
◆ Current state
The recent history is three consecutive maintenance releases whose entire content is dependency and base-image updates: 3.4.3 aligned Maven versions with the Docker images, 3.4.2 and 3.4.1 moved Spring Boot, Netty, Micrometer, Armeria, Alpine and the JRE forward to clear CVEs. The last release carrying a feature was 3.4 in May 2024, which added OpenSearch v2 as a storage backend using the existing ES_-prefixed environment variables.
◆ Where it's heading
This is a project in preservation rather than development. The pattern across the window — feature in May 2024, then three releases of purely defensive dependency work, then silence since January 2025 — describes a mature tracing server being kept safe to run rather than extended. The distributed-tracing work that would once have landed here now largely happens in OpenTelemetry, which Zipkin interoperates with rather than competes against.
◆ Prediction
The feed has produced nothing for nineteen months, so the honest read is that no next release is scheduled. If one comes, the shape of the last three says it will be another dependency and base-image refresh rather than new capability.
Alternatives to Grafana Loki and Zipkin
Other Analytics products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either Grafana Loki or Zipkin.
Microsoft Clarity
Clarity pitches one view of agents, LLM referrals and human visitors.
Delta Lake
Delta Lake's public stream is release mechanics; Kernel builds now carry a 4.5.0 label.
OpenObserve
OpenObserve 1.2.0-rc1 opens a metrics v2 cycle with chart alerts and forecasts.
Keboola
Keboola connects GitHub organizations once, ending personal tokens for private repos.
dbt Core
dbt-core 1.13 drops Python 3.10 and learns to tolerate v2-only project config.
See all Grafana Loki alternatives → · See all Zipkin alternatives →
Recent activity from Grafana Loki and Zipkin
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 1d agoGrafana LokiLoki 4.0 RC drops legacy storage backends and SSD mode ⚡
- 14d agoGrafana LokiLoki Helm chart 7.5.0 released
- 29d agoGrafana LokiLoki Operator 0.12 requires schemas, adds OpenShift 5.0 TLS
- 2mo agoGrafana LokiLoki Operator 0.11 enables multi-variant queries
- 2mo agoGrafana LokiLoki Helm chart 7.3.0 released
- 1y agoZipkinMaven versions realigned with the Docker images
- 2y agoZipkinSpring Boot, Netty and Micrometer updated to clear CVEs
- 2y agoZipkinDependency and base-image updates for CVEs
- 2y agoZipkinZipkin 3.4
- 2y agoZipkinSpring Boot 3.3 and Alpine 3.20, with an OpenSearch test image
Frequently asked questions
What is the difference between Grafana Loki and Zipkin?
They serve adjacent needs but don't currently overlap on shipped themes. Grafana Loki is currently shipping more aggressively (velocity 6.3 vs 0.0), with 1 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Grafana Loki better than Zipkin?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Grafana Loki is currently shipping more aggressively (velocity 6.3 vs 0.0), with 1 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Analytics products to evaluate alongside.
What are the best alternatives to Grafana Loki?
Top Grafana Loki alternatives in Analytics are ranked by recent ship velocity. Browse the "Grafana Loki alternatives" section above for the current picks, or visit /alternatives/loki for the full list with editorial commentary on each.
What are the best alternatives to Zipkin?
Top Zipkin alternatives in Analytics are ranked by recent ship velocity. Browse the "Zipkin alternatives" section above for the current picks, or visit /alternatives/zipkin for the full list with editorial commentary on each.