Langfuse vs UpTrain: Which Should You Choose in 2026?
Choosing between Langfuse and UpTrain 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:
Langfuse
Open Source LLM Engineering Platform for debugging and improving your LLM application.
Best for you if:
- • You want the higher-rated option (7.4/10 vs 0.0/10)
- • You need debugging features specifically
- • Provides observability, traces, and metrics for LLM applications.
- • Offers prompt management, evaluation, and annotation features.
UpTrain
Eliminate guesswork and scale AI confidently with a full-stack LLMOps platform.
Best for you if:
- • You need ai prompt tools features specifically
- • Full-stack LLMOps platform for evaluation, experimentation, and improvement of LLM applications.
- • Offers 20+ predefined and custom metrics for diverse LLM performance evaluations, including hallucination and context awareness.
| At a Glance |  Langfuse |  UpTrain |
|---|---|---|
Price | Free + Paid | Free + Paid |
Best For | Debugging | AI Prompt Tools |
Rating | 74/100 | —/100 |
| Feature | Langfuse | UpTrain |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| Editorial Score | 74 | — |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | DebuggingAI Prompt Tools | AI Prompt ToolsAI Observability |
How Langfuse and UpTrain Compare
Langfuse
Open Source LLM Engineering Platform for debugging and improving your LLM application.
Free tier available · 74/100 score
UpTrain
Eliminate guesswork and scale AI confidently with a full-stack LLMOps platform.
Free tier available
Langfuse is a debugging tool. UpTrain is in ai prompt tools.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Langfuse
Want the highest-rated option?
Langfuse scores 74/100. UpTrain is unrated.
Go with: Langfuse
Value user reviews?
Neither has user reviews yet.
Go with: Langfuse
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?
Langfuse is a debugging tool. UpTrain is in ai prompt tools. Pick the category that matches your needs.
How important are ratings?
Not all tools have been rated yet.
Key Takeaways
Langfuse
- Higher score: 74/100 vs unrated
- Free tier available
- Our pick for this comparison
UpTrain
- Better fit for ai prompt tools
The Bottom Line
Langfuse (74/100) is our pick.
Frequently Asked Questions
Is Langfuse or UpTrain better?
Langfuse scores 74/100 in our evaluation. Both are freemium.
What are Langfuse and UpTrain used for?
Langfuse: Open Source LLM Engineering Platform for debugging and improving your LLM application.. UpTrain: Eliminate guesswork and scale AI confidently with a full-stack LLMOps platform..
What does Langfuse cost vs UpTrain?
Langfuse is freemium (free tier + paid plans). UpTrain is freemium (free tier + paid plans). Visit their websites for detailed pricing.