Prometheus vs SigNoz
A detailed comparison to help you choose between Prometheus and SigNoz.
Prometheus Open source metrics and alerting system | SigNoz Open source Datadog alternative — self-hostable | |
|---|---|---|
| Overview | ||
| Rating | 3.9 (70 reviews) | 4.8 (329 reviews)✓ |
| Pricing model | free | freemium |
| Starting price | Free | Free tier available |
| Best for | DevOps teams who want the Kubernetes-native open source metrics standard they fully control | Engineering teams who want a full observability stack they self-host to avoid Datadog pricing |
| Tags | ||
| Tags | free tieropen sourceself hostable | free tieropen sourceself hostableapi access |
| Visit Prometheus → | Visit SigNoz → | |
Prometheus
Pros
- + Free and open source — industry standard
- + Kubernetes-native design
- + PromQL powerful query language
Cons
- - Requires self-hosting infrastructure
- - Long-term storage needs additional solution (Thanos/Cortex)
SigNoz
Pros
- + Full-stack: metrics + traces + logs
- + Self-hostable — no vendor lock-in
- + ClickHouse backend for high performance
Cons
- - Self-hosting requires operational knowledge
- - Less polished than Datadog
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