# Langfuse vs OpenLIT — Fit & Features

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

Compare Langfuse and OpenLIT 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

### OpenLIT
Instrument AI applications using open-source OpenTelemetry observability.
Best fit: AI engineers testing agent quality and monitoring production behavior.
- LLM observability
- Cost tracking
- OpenTelemetry integration
Before you choose: Use representative test cases and inspect evaluator failures. Check trace retention, sensitive-data handling, and usage costs.
Pricing: https://openlit.io/pricing
- [Read OpenLIT profile](https://trutool.co/tools/openlit): Read OpenLIT profile