# Langfuse vs Rageval — Fit & Features

Canonical: https://trutool.co/compare/langfuse-vs-rageval
Author: Snehil (https://trutool.co/authors/snehil)

Compare Langfuse and Rageval by use case, features, limitations, and evaluation questions.

## Compare fit, features, and limitations

### Langfuse
Trace, evaluate, and improve LLM applications with an open-source engineering platform.
Best fit: AI engineers testing agent quality and monitoring production behavior.
- LLM tracing
- Prompt management
- Evaluation datasets
Before you choose: Use representative test cases and inspect evaluator failures. Check trace retention, sensitive-data handling, and usage costs.
Pricing: https://langfuse.com/pricing
- [Read Langfuse profile](https://trutool.co/tools/langfuse): Read Langfuse profile

### Rageval
Evaluation tools for Retrieval-augmented Generation (RAG) methods.
Best fit: People and teams evaluating ai evaluation & observability for a specific workflow.
- Knowledge workflows
Before you choose: Test a representative task, inspect outputs, and confirm integrations, permissions, data handling, licensing, and current costs.
Pricing: https://github.com/pricing
- [Read Rageval profile](https://trutool.co/tools/rageval): Read Rageval profile