Observability & Monitoring
Datadog vs SigNoz
Side by side
- Pricing model
- DatadogUsage-based
- SigNozUsage-based
- Starting price
- Datadog$15/host/mo
- SigNoz$0 self-hosted
- Free tier
- DatadogYes — Free tier (limited hosts/retention)
- SigNozYes — Self-hosted free; cloud has a free trial
- Maturity
- Datadog—
- SigNozEstablished
- Availability
- DatadogGenerally available
- SigNozGenerally available
- Last checked
- DatadogOct 11, 2026
- SigNozOct 16, 2026
| Fact | Datadog | SigNoz |
|---|---|---|
| Pricing model | Usage-based | Usage-based |
| Starting price | $15/host/mo | $0 self-hosted |
| Free tier | Yes — Free tier (limited hosts/retention) | Yes — Self-hosted free; cloud has a free trial |
| Maturity | — | Established |
| Availability | Generally available | Generally available |
| Last checked | Oct 11, 2026 | Oct 16, 2026 |
When each one fits
Choose Datadog when…
Full-stack production observability
One platform for metrics/traces/logs
Teams needing breadth of integrations
600+ integrations
Datadog strengths
Truly full-stack observability
Huge integration catalog
Powerful dashboards/alerting
Choose SigNoz when…
Open-source Datadog alternative
OTel-native observability you self-host
Cost-conscious observability
Avoid per-host SaaS pricing
SigNoz strengths
OpenTelemetry-native
Open source / self-hostable
Unified metrics/traces/logs
Trade-offs
Known weaknesses from each tool’s record. Sourced ones link to where they came from.
Datadog
Expensive at scale
No source on file
Cost complexity
No source on file
SigNoz
Self-hosting at scale is work
No source on file
Younger than incumbents
No source on file