Langfuse
Open-source LLM observability and evaluation
Quick Verdict
4.8/5
Rating
162
Reviews
freemium
Pricing
Open-source LLM observability and evaluation
Open-source LLM engineering platform for tracing, monitoring, evaluating, and debugging AI applications in production.
Pros
- Full LLM call tracing
- Evaluation framework
- Self-hostable
Cons
- Developer tool only
- UI has learning curve
Best For
Engineering teams needing production observability and evaluation for their LLM applications
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Frequently Asked Questions
What is Langfuse?
Open-source LLM engineering platform for tracing, monitoring, evaluating, and debugging AI applications in production.
Is Langfuse free?
Langfuse has a free tier with limits. Paid plans unlock more usage and features. See pricing above for the current plans.
Who is Langfuse for?
Engineering teams needing production observability and evaluation for their LLM applications
What are the main benefits of Langfuse?
Full LLM call tracing. Evaluation framework. Self-hostable.
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