OpenLLMetry vs SigNoz: Which Should You Choose in 2026?
Choosing between OpenLLMetry and SigNoz comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
By Toolradar Team · Last updated February 28, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
OpenLLMetry
Open-source observability for LLMs using OpenTelemetry.
Best for you if:
- • You need monitoring features specifically
- • Open-source observability for LLMs.
- • Uses OpenTelemetry for standardized data.
SigNoz
Open-source APM and observability
Best for you if:
- • You want the higher-rated option (8.4/10 vs 0.0/10)
- • You need data visualization features specifically
- • SigNoz is an open-source observability platform for metrics and traces
- • It provides APM, logs, and distributed tracing in one tool
| At a Glance |  SigNoz | |
|---|---|---|
Price | Free + Paid | Free + Paid |
Best For | Monitoring | Data Visualization |
Rating | —/100 | 84/100 |
| Feature | OpenLLMetry | SigNoz |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| Editorial Score | — | 84 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | MonitoringAI Observability | Data VisualizationMonitoring |
How OpenLLMetry and SigNoz Compare
OpenLLMetry
Open-source observability for LLMs using OpenTelemetry.
Free tier available
SigNoz
Open-source APM and observability
Free tier available · 84/100 score
OpenLLMetry is a monitoring tool. SigNoz is in data visualization.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: OpenLLMetry
Want the highest-rated option?
SigNoz scores 84/100. OpenLLMetry is unrated.
Go with: SigNoz
Value user reviews?
Neither has user reviews yet.
Go with: SigNoz
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
OpenLLMetry is a monitoring tool. SigNoz is in data visualization. Pick the category that matches your needs.
How important are ratings?
Not all tools have been rated yet.
Key Takeaways
SigNoz
- Higher score: 84/100 vs unrated
- Free tier available
- Our pick for this comparison
OpenLLMetry
- Better fit for monitoring
The Bottom Line
SigNoz (84/100) is our pick.
Frequently Asked Questions
Is OpenLLMetry or SigNoz better?
SigNoz scores 84/100 in our evaluation. Both are freemium.
What are OpenLLMetry and SigNoz used for?
OpenLLMetry: Open-source observability for LLMs using OpenTelemetry.. SigNoz: Open-source APM and observability.
What does OpenLLMetry cost vs SigNoz?
OpenLLMetry is freemium (free tier + paid plans). SigNoz is freemium (free tier + paid plans). Visit their websites for detailed pricing.