Langfuse vs UpTrain: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Langfuse and UpTrain side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, 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 open source LLM observability
UpTrain
Eliminate guesswork and scale AI confidently with a full-stack LLMOps platform.
Best for you if:
- • You want provides quantitative scores to eliminate guesswork in LLM development
| At a Glance | Langfuse | UpTrain |
|---|---|---|
Starts at | Free plan, paid from $59/mo, billed monthly Pro plan | Free plan |
Category | Developer Tools AI Observability | Developer Tools Testing & QA |
Rating | n/a | n/a |
Free plan | Yes | Yes |
Watch out for | Overage fees not explicitly stated for Pro tier | n/a |
Choose Langfuse or UpTrain?
Choose Langfuse if
- You want open source LLM observability
- You want self-hostable
Choose UpTrain if
- You want provides quantitative scores to eliminate guesswork in LLM development
- You want significantly reduces manual review time for LLM outputs
In-Depth Analysis
Langfuse
Open Source LLM Engineering Platform for debugging and improving your LLM application.
Langfuse's pricing is quite generous, especially with a robust free Hobby tier offering 50k observations.
Watch out
Overage fees not explicitly stated for Pro tier
Strengths
- Pro: Open source LLM observability
- Pro: Self-hostable
- Pro: Good tracing
- Pro: Prompt management
- Pro: Active development
Weaknesses
- Con: Newer platform
- Con: Documentation improving
- Con: Cloud features limited
- Con: Smaller community
- Con: Enterprise features developing
Key features
UpTrain
Eliminate guesswork and scale AI confidently with a full-stack LLMOps platform.
Strengths
- Pro: Provides quantitative scores to eliminate guesswork in LLM development
- Pro: Significantly reduces manual review time for LLM outputs
- Pro: Offers high agreement (>90%) with human evaluations at a fraction of the cost
- Pro: Scalable and reliable, handling millions of responses without failure
- Pro: Empowers both developers and managers with insights into LLM performance
Weaknesses
- Con: Specific pricing details are not publicly available without a demo or contact
- Con: Requires integration into existing LLM pipelines
Key features
Plans and prices: Langfuse vs UpTrain
| Tool | Plans and prices | Source |
|---|---|---|
| Langfuse |
| langfuse.com/pricing read Oct 24, 2026 |
| UpTrain | No plan prices on file | uptrain.ai |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Langfuse pricing and UpTrain pricing.
Key Takeaways
Langfuse
- Choose if you want open Source LLM Engineering Platform for debugging and improving your LLM application
UpTrain
- Choose if you want eliminate guesswork and scale AI confidently with a full-stack LLMOps platform
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- Langfuse starts at $59/mo, billed monthly; UpTrain has no public paid plan price on file.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Langfuse and UpTrain compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. Langfuse starts at $59/mo, billed monthly; UpTrain has no public paid plan price on file. Both have a free plan.
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's cheapest paid plan is Pro at $59/mo, billed monthly; it also has a free plan. UpTrain has no public paid-plan price on file. Prices read on the vendors' pricing pages, latest check Oct 24, 2026.
What's the main difference between Langfuse and UpTrain?
Langfuse's main strength: open source LLM observability. UpTrain's main strength: provides quantitative scores to eliminate guesswork in LLM development.