# Cleanlab vs Langfuse — Fit & Features

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

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

## Compare fit, features, and limitations

### Cleanlab
Even today's Large Language Models (LLMs) still occasionally hallucinate incorrect answers that can undermine your business.
Best fit: People and teams evaluating ai evaluation & observability for a specific workflow.
- Core product workflow
Before you choose: Test a representative task, inspect outputs, and confirm integrations, permissions, data handling, licensing, and current costs.
Pricing: https://help.cleanlab.ai/tlm/
- [Read Cleanlab profile](https://trutool.co/tools/cleanlab): Read Cleanlab profile

### 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
