LangSmith vs Uptrace: Which Should You Choose in 2026?
Choosing between LangSmith and Uptrace 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 May 2, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
LangSmith
Debug, monitor, and optimize your LLM applications and AI agents with comprehensive observability.
Best for you if:
- 0
- • You want to try before committing
- • You need real-time analytics features specifically
- • Debug LLM applications with detailed agent tracing.
- • Monitor key business metrics with live dashboards and alerts.
Uptrace
Open-source APM with distributed tracing
Best for you if:
- 0
- • You need debugging features specifically
- • Uptrace is an open-source APM powered by OpenTelemetry
- • It provides distributed tracing, metrics, and logs in one platform
| At a Glance |  LangSmith |  Uptrace |
|---|---|---|
Price | Free + Paid | Paid |
Best For | Real-Time Analytics | Debugging |
Rating | — | — |
| Feature | LangSmith | Uptrace |
|---|---|---|
| Pricing Model | Freemium | Paid |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Real-Time AnalyticsDebugging | DebuggingMonitoring |
How LangSmith and Uptrace Compare
LangSmith
Debug, monitor, and optimize your LLM applications and AI agents with comprehensive observability.
Free tier available
Uptrace
Open-source APM with distributed tracing
Paid
LangSmith is a real-time analytics tool. Uptrace is in debugging.
Who Should Use What?
On a budget?
LangSmith has a free tier. Uptrace is paid only.
Go with: LangSmith
Want the highest-rated option?
Neither has user reviews yet.
Go with: LangSmith
Value user reviews?
Neither has user reviews yet.
Go with: LangSmith
3 Questions to Help You Decide
What's your budget?
LangSmith is freemium. Uptrace is paid. LangSmith lets you start free.
What's your use case?
LangSmith is a real-time analytics tool. Uptrace is in debugging. Pick the category that matches your needs.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
LangSmith
- 0
- Free tier available
- Our pick for this comparison
Uptrace
- Better fit for debugging
The Bottom Line
LangSmith is our pick.
Frequently Asked Questions
Is LangSmith or Uptrace better?
LangSmith is rated high in our evaluation. LangSmith is freemium and Uptrace is paid.
What are LangSmith and Uptrace used for?
LangSmith: Debug, monitor, and optimize your LLM applications and AI agents with comprehensive observability.. Uptrace: Open-source APM with distributed tracing.
What does LangSmith cost vs Uptrace?
LangSmith is freemium (free tier + paid plans). Uptrace is a paid tool. Visit their websites for detailed pricing.