OpenLLMetry vs SigNoz: Which is Better 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.
Bottom line: SigNoz is our overall pick for DevOps workflows. Pick OpenLLMetry if you need a free tier to start with.
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:
- • Open-source observability for LLMs.
- • Uses OpenTelemetry for standardized data.
SigNoz
Open-source APM and observability
Best for you if:
- • SigNoz is an open-source observability platform for metrics and traces
- • It provides APM, logs, and distributed tracing in one tool
| At a Glance |  OpenLLMetry |  SigNoz |
|---|---|---|
Starts at | Contact us/moEnterprise | $199/monthTeams |
Best For | DevOps | DevOps |
Rating | - | - |
Choose OpenLLMetry or SigNoz?
Choose OpenLLMetry if
Open-source observability for LLMs using OpenTelemetry.
- Leverages open standards (OpenTelemetry)
- Easy integration with minimal code changes
- Supports both Python and TypeScript/Node.js
Choose SigNoz if
Open-source APM and observability
- Open source observability
- All-in-one
- Self-hostable
| Feature | OpenLLMetry | SigNoz |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | No ratings yet | No ratings yet |
| Categories | DevOpsAnalytics | DevOpsMonitoring |
In-Depth Analysis
OpenLLMetry
Open-source observability for LLMs using OpenTelemetry.
Strengths
- +Leverages open standards (OpenTelemetry)
- +Easy integration with minimal code changes
- +Supports both Python and TypeScript/Node.js
- +Provides visibility into LLM application workflows
- +Vendor-neutral for data export
Weaknesses
- -Requires an OpenTelemetry backend for full visualization
- -Limited information on advanced features or customization options from the provided content
Key features
SigNoz
Open-source APM and observability
Strengths
- +Open source observability
- +All-in-one
- +Self-hostable
- +OpenTelemetry native
- +Fair cloud pricing
Weaknesses
- -Newer platform
- -Self-hosting complex
- -Smaller community
- -Documentation improving
- -Less features than Datadog
Key features
Pricing: OpenLLMetry vs SigNoz
| Plan | OpenLLMetry | SigNoz |
|---|---|---|
| Tier 1 | $0 / mo Free Forever | Free Community |
| Tier 2 | Contact us Enterprise | $199 month Teams |
Pricing verified from each vendor's public pricing page. Compare in detail on OpenLLMetry pricing and SigNoz pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: OpenLLMetry
Want the highest-rated option?
Neither has user reviews yet.
Go with: OpenLLMetry
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?
Both are devops tools. Compare their specific features to decide.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
SigNoz
- Free tier available
- Our pick for this comparison
OpenLLMetry
- Choose if you want open-source observability for LLMs using OpenTelemetry
The Bottom Line
SigNoz is our pick.
Frequently Asked Questions
Is OpenLLMetry or SigNoz better?
SigNoz is rated 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.