OpenLLMetry vs Jaeger: Which Should You Choose in 2026?
Choosing between OpenLLMetry and Jaeger 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.
Jaeger
Open-source distributed tracing system
Best for you if:
- • You want the higher-rated option (8.5/10 vs 0.0/10)
- • You need something completely free
- • You need api tools features specifically
- • Jaeger is an open-source distributed tracing system for monitoring microservices
- • It tracks request flows across services to troubleshoot latency and failures
| At a Glance |  Jaeger | |
|---|---|---|
Price | Free + Paid | Free |
Best For | Monitoring | API Tools |
Rating | —/100 | 85/100 |
| Feature | OpenLLMetry | Jaeger |
|---|---|---|
| Pricing Model | Freemium | Free |
| Editorial Score | — | 85 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | MonitoringAI Observability | API ToolsMonitoring |
How OpenLLMetry and Jaeger Compare
OpenLLMetry
Open-source observability for LLMs using OpenTelemetry.
Free tier available
Jaeger
Open-source distributed tracing system
Free · 85/100 score
OpenLLMetry is a monitoring tool. Jaeger is in api tools.
Who Should Use What?
On a budget?
Jaeger is free. OpenLLMetry is freemium.
Go with: Jaeger
Want the highest-rated option?
Jaeger scores 85/100. OpenLLMetry is unrated.
Go with: Jaeger
Value user reviews?
Neither has user reviews yet.
Go with: Jaeger
3 Questions to Help You Decide
What's your budget?
OpenLLMetry is freemium. Jaeger is free. Go with Jaeger if free matters most.
What's your use case?
OpenLLMetry is a monitoring tool. Jaeger is in api tools. Pick the category that matches your needs.
How important are ratings?
Not all tools have been rated yet.
Key Takeaways
Jaeger
- Higher score: 85/100 vs unrated
- Completely free
- Our pick for this comparison
OpenLLMetry
- Better fit for monitoring
The Bottom Line
Jaeger (85/100) is our pick.
Frequently Asked Questions
Is OpenLLMetry or Jaeger better?
Jaeger scores 85/100 in our evaluation. OpenLLMetry is freemium and Jaeger is free.
What are OpenLLMetry and Jaeger used for?
OpenLLMetry: Open-source observability for LLMs using OpenTelemetry.. Jaeger: Open-source distributed tracing system.
What does OpenLLMetry cost vs Jaeger?
OpenLLMetry is freemium (free tier + paid plans). Jaeger is completely free. Visit their websites for detailed pricing.